Solve for x
x=12
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144=12x
Variable x cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by x.
12x=144
Swap sides so that all variable terms are on the left hand side.
x=\frac{144}{12}
Divide both sides by 12.
x=12
Divide 144 by 12 to get 12.
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