3 years ago

Substitution. -3x - 2y = -12 y = 5x - 7

Mathematics

1 answer:

Mrrafil [7]3 years ago

6 0

Answer:

-3x-2(5x-7)=-12

-3x-10x+14=-12

-13x+14=-12

-13x=-16

x=2

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