3x+56 = 2x+4
3x-2x = 4-56
x = -52
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x = 7
First, subtract 3x from each side of the equation. Then, divide each side of the equation by 7 .
so -x = 56 making x = -56.
3X+70-7*18=0 3X+70-126=0 3X-56=0 3X=56 x=56/3 or 18.6667
X= 20.6666666666667