berkeleystir berkeleystir

01-04-2019
Mathematics

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solve the systems of equations using substitution.
-3x + 2y = 12
x = 2y - 8

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hamzacx hamzacx

01-04-2019

-3(2y-8) + 2y = 12

-4y + 24 = 12

-4y = -12

y=3

x=2(3)-8

x=-2

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