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Solve each linear equation by subsitution or elimination 4x-y=-1 2x+y=7
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Solve each linear equation by subsitution or elimination
4x-y=-1
2x+y=7

User Matt Lo
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1 Answer

1 vote
4x - y = -1
2x + y = 7
6x = 6
6 6
x = 1
4x - y = -1
4(1) - y = -1
4 - y = -1
- 4 - 4
-y = -5
-1 -1
y = 5
(x, y) = (1, 5)
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