Solve for x
x=2
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x\times 21=14\times 3
Variable x cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by 14x, the least common multiple of 14,x.
x\times 21=42
Multiply 14 and 3 to get 42.
x=\frac{42}{21}
Divide both sides by 21.
x=2
Divide 42 by 21 to get 2.
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