Question 311571
4x-2/5y=-6                                                                      4x+3/5y=-1 subtract.
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-2/5y-3/5y=-5
-5/5y=-5
-y=-5
y=5 ans.
4x-2/5*5=-6
4x-2=-6
4x=-6+2
4x=-4
x=-1 ans.
Proof:
4*-1+3/5*5=-1
-4+3=-1
-1=-1