3+4=12-v

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Solution for 3+4=12-v equation:


Simplifying
3 + 4 = 12 + -1v

Combine like terms: 3 + 4 = 7
7 = 12 + -1v

Solving
7 = 12 + -1v

Solving for variable 'v'.

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

Add 'v' to each side of the equation.
7 + v = 12 + -1v + v

Combine like terms: -1v + v = 0
7 + v = 12 + 0
7 + v = 12

Add '-7' to each side of the equation.
7 + -7 + v = 12 + -7

Combine like terms: 7 + -7 = 0
0 + v = 12 + -7
v = 12 + -7

Combine like terms: 12 + -7 = 5
v = 5

Simplifying
v = 5

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