Respuesta :
Make it 2x-y=7, 2x+y=5, now do elimination. -2y=2, y=-1.
Plug in -1 for y and solve for x
2x+1=7, x=3
Final answer: x=3, y=-1
Plug in -1 for y and solve for x
2x+1=7, x=3
Final answer: x=3, y=-1
Answer:
x=3 y=-1
Step-by-step explanation:
y=2x-7
2x+y=5
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2x+2x-7=5
4x-7=5
4x=12
x=3
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2(3)-7=y
6-7=y
-1=y