Solve equations with substitution method: Revision history

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  • curprev 17:4917:49, 8 November 2021rosettacode>CalmoSoft 782 bytes +782 Created page with "{{Draft task}} ;Task: <br>Let given equations: <br>3x + y = -1 and 2x - 3y = -19 <br>Solve it with substitution method. <br><br> =={{header|Ring}}== <lang ring> firstEquatio..."