Solve for x
x=15
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2x-6+x+6=45
Combine x and x to get 2x.
3x-6+6=45
Combine 2x and x to get 3x.
3x=45
Add -6 and 6 to get 0.
x=\frac{45}{3}
Divide both sides by 3.
x=15
Divide 45 by 3 to get 15.
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