answer : x=-2 and y=-4 or (-2,-4)
1. y=2x
-7x+3y=2

2. substitute
-7x+3(2x)=2

3. -7x+6x =2

4. -x=2
x=-2

5. sub into original equation
y=2 (-2)
y=-4

AnandPhadke answered Jul 6, 2021

by AnandPhadke

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— 2х + y = 0 — 7х + 3y = 2

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