Solve for x
x=7
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15=2x+10-9
Calculate 3 to the power of 2 and get 9.
15=2x+1
Subtract 9 from 10 to get 1.
2x+1=15
Swap sides so that all variable terms are on the left hand side.
2x=15-1
Subtract 1 from both sides.
2x=14
Subtract 1 from 15 to get 14.
x=\frac{14}{2}
Divide both sides by 2.
x=7
Divide 14 by 2 to get 7.
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