x/4 = 8
Multiply both sides by 4: x = 32
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x+3/4 = 7/8 Is the same as: x+6/8 = 7/8 x = 7/8- 6/8 x = 1/8
4
Multiply both sides by 8. x = 32
That equals 1/4.
x/(x + 4) = 4/(x + 4) + 2 (x - 4)/(x + 4) = 2 x - 4 = 2x + 8 -x = 12 x = -12