Solve for x
x=15
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4x+15-2x=45
Subtract 2x from both sides.
2x+15=45
Combine 4x and -2x to get 2x.
2x=45-15
Subtract 15 from both sides.
2x=30
Subtract 15 from 45 to get 30.
x=\frac{30}{2}
Divide both sides by 2.
x=15
Divide 30 by 2 to get 15.
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