Question 238723
2x-5y=-3 
-(2x+y=7) subtract
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-6y=-10
y=-10/-6
y=5/3 ans
2x-5*5/3=-3
2x-25/3=-3
2x=25/3-3
2x=25/3-9/3
2x=16/3
x=(16/3)/2
x=(16/3*1/2
x=16/6
x=8/3 anw.
Proof:
2*8/3+5/3=7
16/3+5/3=7
21/3=7
7=7