Question 181718
x-3y=-4 multiply by 2 & add.
2x+6y=5
2x-6y=-8
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4x=-3
x=-3/4 ans.
-3/4-3y=-4
-3y=-4+3/4
-3y=(-4*4+3)/4
-3y=(-16+3)/4
-3y=-13/4
-3y*4=-13
-12y=-13
y=-13/-12
y=13/12 ans.