Solve for g
g=4
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32\times 5=g\times 40
Variable g cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by 32g, the least common multiple of g,32.
160=g\times 40
Multiply 32 and 5 to get 160.
g\times 40=160
Swap sides so that all variable terms are on the left hand side.
g=\frac{160}{40}
Divide both sides by 40.
g=4
Divide 160 by 40 to get 4.
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