v+8+4=7

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Solution for v+8+4=7 equation: 


Simplifying
v + 8 + 4 = 7

Reorder the terms:
8 + 4 + v = 7

Combine like terms: 8 + 4 = 12
12 + v = 7

Solving
12 + v = 7

Solving for variable 'v'.

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

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

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

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

Simplifying
v = -5

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