Solve for x
x=5
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x\times 12=15\times 4
Variable x cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by 15x, the least common multiple of 15,x.
x\times 12=60
Multiply 15 and 4 to get 60.
x=\frac{60}{12}
Divide both sides by 12.
x=5
Divide 60 by 12 to get 5.
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