42=3v-12

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Solution for 42=3v-12 equation:


Simplifying
42 = 3v + -12

Reorder the terms:
42 = -12 + 3v

Solving
42 = -12 + 3v

Solving for variable 'v'.

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

Add '-3v' to each side of the equation.
42 + -3v = -12 + 3v + -3v

Combine like terms: 3v + -3v = 0
42 + -3v = -12 + 0
42 + -3v = -12

Add '-42' to each side of the equation.
42 + -42 + -3v = -12 + -42

Combine like terms: 42 + -42 = 0
0 + -3v = -12 + -42
-3v = -12 + -42

Combine like terms: -12 + -42 = -54
-3v = -54

Divide each side by '-3'.
v = 18

Simplifying
v = 18

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