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Mamont248 [21]
3 years ago
9

Hey guys I need help with this question. Solve the system by substitution: x=-1 and 4x+2y=16

Mathematics
2 answers:
amm18123 years ago
3 0
4(-1) + 2y = 16
-4 + 2y = 16
2y = 20
y = 10

I think this is how u do it..
Ludmilka [50]3 years ago
3 0
4x + 2y = 16
4(-1) + 2y = 16
-4 + 2y = 16
+4 +4
2y = 20
/2 /2
y = 10
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