-400=-8(1+7v)

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Solution for -400=-8(1+7v) equation:


Simplifying
-400 = -8(1 + 7v)
-400 = (1 * -8 + 7v * -8)
-400 = (-8 + -56v)

Solving
-400 = -8 + -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.
-400 + 56v = -8 + -56v + 56v

Combine like terms: -56v + 56v = 0
-400 + 56v = -8 + 0
-400 + 56v = -8

Add '400' to each side of the equation.
-400 + 400 + 56v = -8 + 400

Combine like terms: -400 + 400 = 0
0 + 56v = -8 + 400
56v = -8 + 400

Combine like terms: -8 + 400 = 392
56v = 392

Divide each side by '56'.
v = 7

Simplifying
v = 7

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