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3 years ago

8

Substitution method x=-y 8x+3y=40

2 answers:

Pachacha [2.7K]3 years ago

6 0

Plug in -y for x in the equation
8(-y) + 3y = 40
5y = 40
y = 8

Delvig [45]3 years ago

4 0

The answer would be 16

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