Solve for x
x=8
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40=\frac{15}{3}x
Multiply \frac{1}{3} and 15 to get \frac{15}{3}.
40=5x
Divide 15 by 3 to get 5.
5x=40
Swap sides so that all variable terms are on the left hand side.
x=\frac{40}{5}
Divide both sides by 5.
x=8
Divide 40 by 5 to get 8.
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