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VICTORIA GOUVEIA
Golden valley high school
algebra II/Trig teacher
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Solve each system by substitution
y = 2x x = 4y y = 4x
x + y = 6 2x - y = 14 5x + 2y = 39
y = -3x x = 3y
-5x - 5y = 21 2x + 7y = 42
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