Solve for x
x=6
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4x-12=2x
Multiply both sides of the equation by 2.
4x-12-2x=0
Subtract 2x from both sides.
2x-12=0
Combine 4x and -2x to get 2x.
2x=12
Add 12 to both sides. Anything plus zero gives itself.
x=\frac{12}{2}
Divide both sides by 2.
x=6
Divide 12 by 2 to get 6.
Examples
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Limits
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