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klasskru [66]
2 years ago
8

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

Mathematics
2 answers:
Pachacha [2.7K]2 years ago
6 0
Plug in -y for x in the equation
8(-y) + 3y = 40
5y = 40
y = 8
Delvig [45]2 years ago
4 0
The answer would be 16
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