Solve for v
v=7
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28=4v
Variable v cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by v.
4v=28
Swap sides so that all variable terms are on the left hand side.
v=\frac{28}{4}
Divide both sides by 4.
v=7
Divide 28 by 4 to get 7.
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