High School Algebra I Semester 1 Study Guide
High School Algebra I Semester 1 Study Guide
High School Algebra I Semester 1 Study Guide
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<strong>High</strong> <strong>School</strong> <strong>Algebra</strong> I<br />
<strong>Semester</strong> 1 <strong>Study</strong> <strong>Guide</strong><br />
21 Solve the system:<br />
21´ You Try.<br />
21) Solve the system:<br />
Make the y-terms be opposites by<br />
multiplying the first equation by 2 and the<br />
second equation by 3:<br />
By the Addition Property of Equality:<br />
Substitute for<br />
in either equation:<br />
The solution is .<br />
9.0<br />
Page 13 of 19 MDC@ACOE (AUSD) 09/13/10
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