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Pavel [41]
2 years ago
11

Can someone help me find the solution to these equations by using substitution

Mathematics
1 answer:
Vanyuwa [196]2 years ago
5 0
1) (x,y) = no solution

2) x=-2y

-2y-y = 9

-3y = 9

y = -3

x = -2(-3)

x = 6


(x,y) = (6,-3)
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