Solve for x
x=7
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126-3x=105
Multiply both sides of the equation by 7.
-3x=105-126
Subtract 126 from both sides.
-3x=-21
Subtract 126 from 105 to get -21.
x=\frac{-21}{-3}
Divide both sides by -3.
x=7
Divide -21 by -3 to get 7.
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