-217=7(1-8v)

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Solution for -217=7(1-8v) equation:


Simplifying
-217 = 7(1 + -8v)
-217 = (1 * 7 + -8v * 7)
-217 = (7 + -56v)

Solving
-217 = 7 + -56v

Solving for variable 'v'.

Move all terms containing v to the left, all other terms to the right.

Add '56v' to each side of the equation.
-217 + 56v = 7 + -56v + 56v

Combine like terms: -56v + 56v = 0
-217 + 56v = 7 + 0
-217 + 56v = 7

Add '217' to each side of the equation.
-217 + 217 + 56v = 7 + 217

Combine like terms: -217 + 217 = 0
0 + 56v = 7 + 217
56v = 7 + 217

Combine like terms: 7 + 217 = 224
56v = 224

Divide each side by '56'.
v = 4

Simplifying
v = 4

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