v-4=12-7

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Solution for v-4=12-7 equation: 


Simplifying
v + -4 = 12 + -7

Reorder the terms:
-4 + v = 12 + -7

Combine like terms: 12 + -7 = 5
-4 + v = 5

Solving
-4 + v = 5

Solving for variable 'v'.

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

Add '4' to each side of the equation.
-4 + 4 + v = 5 + 4

Combine like terms: -4 + 4 = 0
0 + v = 5 + 4
v = 5 + 4

Combine like terms: 5 + 4 = 9
v = 9

Simplifying
v = 9

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