Solve for x
x=1
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4-x-3x=0
Subtract 3x from both sides.
4-4x=0
Combine -x and -3x to get -4x.
-4x=-4
Subtract 4 from both sides. Anything subtracted from zero gives its negation.
x=\frac{-4}{-4}
Divide both sides by -4.
x=1
Divide -4 by -4 to get 1.
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