3x + 4 = 8 + 2x
Subtract 4 from each side:
3x = 4 + 2x
Subtract 2x from each side:
x = 4
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3x+56 = 2x+4 3x-2x = 4-56 x = -52
3x - 2x + 4 = 0 3x - 2x = -4 x = -4
3x+4 = 2x-3 3x-2x = -3-4 x = -7
2x+5=3x+1 -x=-4 x=4
-2x+20 = 3x 20 = 3x+2x 20 = 5x 4 = x So x = 4