Solve for x
x=40
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3x=10\times 12
Variable x cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by 10x, the least common multiple of 10,x.
3x=120
Multiply 10 and 12 to get 120.
x=\frac{120}{3}
Divide both sides by 3.
x=40
Divide 120 by 3 to get 40.
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