Solve for w
w=4
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4\times 3=3w
Multiply both sides of the equation by 36, the least common multiple of 9,12.
12=3w
Multiply 4 and 3 to get 12.
3w=12
Swap sides so that all variable terms are on the left hand side.
w=\frac{12}{3}
Divide both sides by 3.
w=4
Divide 12 by 3 to get 4.
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