Solving a System of Two Linear Equations in Two Variables by ...
Solving a System of Two Linear Equations in Two Variables by ...
Solving a System of Two Linear Equations in Two Variables by ...
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-1-Elementary Algebra Skill<strong>Solv<strong>in</strong>g</strong> a <strong>System</strong> <strong>of</strong> <strong>Two</strong> <strong>L<strong>in</strong>ear</strong> <strong>Equations</strong> <strong>in</strong> <strong>Two</strong> <strong>Variables</strong> <strong>by</strong> SubstitutionSolve each system <strong>by</strong> substitution.1) y = −4x + 16−3x + 8y = 232) −3x + 6y = −24y = 7x + 223) y = 5x + 5y = x + 54) y = 4x + 22y = −4x − 185) x − 3y = −124x + 6y = −126) 2x − 5y = 22x + 5y = −47) y = −4−3x − 6y = 158) 2x + 4y = −107x + 8y = −23
-2-Answers to <strong>Solv<strong>in</strong>g</strong> a <strong>System</strong> <strong>of</strong> <strong>Two</strong> <strong>L<strong>in</strong>ear</strong> <strong>Equations</strong> <strong>in</strong> <strong>Two</strong> <strong>Variables</strong> <strong>by</strong> Substitution1) (3, 4) 2) (−4, −6) 3) (0, 5) 4) (−5, 2)5) (−6, 2) 6) (6, −2) 7) (3, −4) 8) (−1, −2)
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