SOLUTION: -4x+y=-5 2x+y=7 I need to solve this by graphing, substitution or elimination
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Question 403519
:
-4x+y=-5
2x+y=7
I need to solve this by graphing, substitution or elimination
Answer by
rfer(16322)
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y=4x-5
2x+4x-5=7
6x=12
x=2
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2*2+y=7
7=3
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-4*2+3=-5
-8+3=-5