x+2y-3=0,3x+2y+7=0 in elimination method
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x+2y-3=0 (1)
3x+2y+7=0 (2) we have to cancel y so we have to change the signs
(-) (-) (-)
-2x-10=0
so,x= -5
so put the value in equation 1
-5+2y-3=0
2y=8
so,y=4
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