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musickatia [10]
4 years ago
7

How do I solve this problem?

Mathematics
1 answer:
nexus9112 [7]4 years ago
5 0
Subtract the second equation from the first equation.
x = -1
Plug -1 back in to either equation and solve for y.
3(-1) + y =-10
-3 + y = -10
Add 3 to both sides
y = -7
CHECK
3(-1) -7 = -10
2(-1) -7 = -9
(-1, -7)
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