7-8v=-9-10v

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Solution for 7-8v=-9-10v equation:


Simplifying
7 + -8v = -9 + -10v

Solving
7 + -8v = -9 + -10v

Solving for variable 'v'.

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

Add '10v' to each side of the equation.
7 + -8v + 10v = -9 + -10v + 10v

Combine like terms: -8v + 10v = 2v
7 + 2v = -9 + -10v + 10v

Combine like terms: -10v + 10v = 0
7 + 2v = -9 + 0
7 + 2v = -9

Add '-7' to each side of the equation.
7 + -7 + 2v = -9 + -7

Combine like terms: 7 + -7 = 0
0 + 2v = -9 + -7
2v = -9 + -7

Combine like terms: -9 + -7 = -16
2v = -16

Divide each side by '2'.
v = -8

Simplifying
v = -8

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