Solve for x
x=18
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5x=3\times 30
Variable x cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by 3x, the least common multiple of 3,x.
5x=90
Multiply 3 and 30 to get 90.
x=\frac{90}{5}
Divide both sides by 5.
x=18
Divide 90 by 5 to get 18.
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