Solve for x
x=18
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3\times 30=5x
Multiply both sides of the equation by 15, the least common multiple of 5,3.
90=5x
Multiply 3 and 30 to get 90.
5x=90
Swap sides so that all variable terms are on the left hand side.
x=\frac{90}{5}
Divide both sides by 5.
x=18
Divide 90 by 5 to get 18.
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