Solve for x
x=3
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4x-12=0
Variable x cannot be equal to \frac{7}{3} since division by zero is not defined. Multiply both sides of the equation by 3x-7.
4x=12
Add 12 to both sides. Anything plus zero gives itself.
x=\frac{12}{4}
Divide both sides by 4.
x=3
Divide 12 by 4 to get 3.
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