Solve for x
x = \frac{215}{3} = 71\frac{2}{3} \approx 71.666666667
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10+3x=225
Swap sides so that all variable terms are on the left hand side.
3x=225-10
Subtract 10 from both sides.
3x=215
Subtract 10 from 225 to get 215.
x=\frac{215}{3}
Divide both sides by 3.
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