Solve for v
v=15
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105\times 8=v\times 56
Variable v cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by 105v, the least common multiple of v,105.
840=v\times 56
Multiply 105 and 8 to get 840.
v\times 56=840
Swap sides so that all variable terms are on the left hand side.
v=\frac{840}{56}
Divide both sides by 56.
v=15
Divide 840 by 56 to get 15.
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