13=v-1-8v

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Solution for 13=v-1-8v equation:


Simplifying
13 = v + -1 + -8v

Reorder the terms:
13 = -1 + v + -8v

Combine like terms: v + -8v = -7v
13 = -1 + -7v

Solving
13 = -1 + -7v

Solving for variable 'v'.

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

Add '7v' to each side of the equation.
13 + 7v = -1 + -7v + 7v

Combine like terms: -7v + 7v = 0
13 + 7v = -1 + 0
13 + 7v = -1

Add '-13' to each side of the equation.
13 + -13 + 7v = -1 + -13

Combine like terms: 13 + -13 = 0
0 + 7v = -1 + -13
7v = -1 + -13

Combine like terms: -1 + -13 = -14
7v = -14

Divide each side by '7'.
v = -2

Simplifying
v = -2

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