3v-8v-12=5v-42

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Solution for 3v-8v-12=5v-42 equation:


Simplifying
3v + -8v + -12 = 5v + -42

Reorder the terms:
-12 + 3v + -8v = 5v + -42

Combine like terms: 3v + -8v = -5v
-12 + -5v = 5v + -42

Reorder the terms:
-12 + -5v = -42 + 5v

Solving
-12 + -5v = -42 + 5v

Solving for variable 'v'.

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

Add '-5v' to each side of the equation.
-12 + -5v + -5v = -42 + 5v + -5v

Combine like terms: -5v + -5v = -10v
-12 + -10v = -42 + 5v + -5v

Combine like terms: 5v + -5v = 0
-12 + -10v = -42 + 0
-12 + -10v = -42

Add '12' to each side of the equation.
-12 + 12 + -10v = -42 + 12

Combine like terms: -12 + 12 = 0
0 + -10v = -42 + 12
-10v = -42 + 12

Combine like terms: -42 + 12 = -30
-10v = -30

Divide each side by '-10'.
v = 3

Simplifying
v = 3

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