4(5x +2) -7 ( 3x+5) = x-31 (20x + 8) - (21x +35)=x-31 20x + 8 - 21x - 35 =x-31 20x-21x-x = -31-8+35 -2x= -4 2x=4 x=4/2 x=2
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4(5x +2) -7 ( 3x+5) = x-31 (20x + 8) - (21x +35)=x-31 20x + 8 - 21x - 35 =x-31 20x-21x-x = -31-8+35 -2x= -4 2x=4 x=4/2 x=2