12-v-4=1

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Solution for 12-v-4=1 equation: 


Simplifying
12 + -1v + -4 = 1

Reorder the terms:
12 + -4 + -1v = 1

Combine like terms: 12 + -4 = 8
8 + -1v = 1

Solving
8 + -1v = 1

Solving for variable 'v'.

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

Add '-8' to each side of the equation.
8 + -8 + -1v = 1 + -8

Combine like terms: 8 + -8 = 0
0 + -1v = 1 + -8
-1v = 1 + -8

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

Divide each side by '-1'.
v = 7

Simplifying
v = 7

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