Solve for x
x=5
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\frac{150}{10}=x+10
Divide both sides by 10.
15=x+10
Divide 150 by 10 to get 15.
x+10=15
Swap sides so that all variable terms are on the left hand side.
x=15-10
Subtract 10 from both sides.
x=5
Subtract 10 from 15 to get 5.
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