SOLUTION: Solve using substitution method 2x+4y=-3 2x-y=7

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Question 879177: Solve using substitution method
2x+4y=-3
2x-y=7
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
y=2x-7
2x + 4(2x-7) = -3
10x = 25
x = 2.5 and y = -2 2%2A2.5+-+7
Ordered pair(2.5, -2) the solution for this System
And...checking
5 - 8 = -3