{"id":18051,"date":"2016-09-30T17:16:22","date_gmt":"2016-09-30T17:16:22","guid":{"rendered":"http:\/\/www.oracletutoring.ca\/blog\/?p=18051"},"modified":"2016-09-30T17:16:22","modified_gmt":"2016-09-30T17:16:22","slug":"math-solving-a-system-of-linear-equations-in-2-variables-with-the-sharp-el-520w","status":"publish","type":"post","link":"https:\/\/www.oracletutoring.ca\/blog\/math-solving-a-system-of-linear-equations-in-2-variables-with-the-sharp-el-520w\/","title":{"rendered":"Math:  solving a system of linear equations in 2 variables with the Sharp el-520w"},"content":{"rendered":"<h1>The tutor shows how to easily solve a two-variable linear system with the amazing Sharp el-520w.<\/h1>\n<p>Let&#8217;s imagine you&#8217;re posed the following problem:<\/p>\n<p><strong>Solve the linear system:<\/strong><\/p>\n<p style=\"text-align:center;font-weight:bold\">(2\/3)x &#8211; (1\/5)y = 2<\/p>\n<p style=\"text-align:center;font-weight:bold\">-4x + 3y = 6<\/p>\n<p>With the Sharp el-520w, solving it couldn&#8217;t be easier:<\/p>\n<ol>\n<li>MODE 2 0<\/li>\n<li>It asks for a1: key in 2\u00f73, then =. Next, it asks for b1: key in -1\u00f75, then =.  For c1, key in 2, then =.  (Note these are the numbers from the first equation.)<\/li>\n<li>Now it starts asking for the second row numbers.  Key them in the same manner as you just did for the first row.<\/li>\n<li>After you key in c2 and press =, the screen should say x=6.  Press = again to reveal y=10.<\/li>\n<li>To review the inputs, and the answers, you can press = repeatedly.<\/li>\n<li>To return to normal mode, press MODE, then 0.<\/li>\n<\/ol>\n<p>Source:<\/p>\n<p><u>Sharp el-520w Operation Manual<\/u>.<\/p>\n<p>Jack of <a href=\"https:\/\/www.oracletutoring.ca\">Oracle Tutoring by Jack and Diane,<\/a> Campbell River, BC.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The tutor shows how to easily solve a two-variable linear system with the amazing Sharp el-520w. Let&#8217;s imagine you&#8217;re posed the following problem: Solve the linear system: (2\/3)x &#8211; (1\/5)y = 2 -4x + 3y = 6 With the Sharp &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"more-link\" href=\"https:\/\/www.oracletutoring.ca\/blog\/math-solving-a-system-of-linear-equations-in-2-variables-with-the-sharp-el-520w\/\"> <span class=\"screen-reader-text\">Math:  solving a system of linear equations in 2 variables with the Sharp el-520w<\/span> Read More &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[264,1923],"class_list":["post-18051","post","type-post","status-publish","format-standard","hentry","category-math","tag-sharp-el-520w","tag-solving-a-system-of-linear-equations"],"_links":{"self":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts\/18051","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/comments?post=18051"}],"version-history":[{"count":10,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts\/18051\/revisions"}],"predecessor-version":[{"id":18061,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts\/18051\/revisions\/18061"}],"wp:attachment":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/media?parent=18051"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/categories?post=18051"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/tags?post=18051"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}