-12=-7v-42-8v-48

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Solution for -12=-7v-42-8v-48 equation:


Simplifying
-12 = -7v + -42 + -8v + -48

Reorder the terms:
-12 = -42 + -48 + -7v + -8v

Combine like terms: -42 + -48 = -90
-12 = -90 + -7v + -8v

Combine like terms: -7v + -8v = -15v
-12 = -90 + -15v

Solving
-12 = -90 + -15v

Solving for variable 'v'.

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

Add '15v' to each side of the equation.
-12 + 15v = -90 + -15v + 15v

Combine like terms: -15v + 15v = 0
-12 + 15v = -90 + 0
-12 + 15v = -90

Add '12' to each side of the equation.
-12 + 12 + 15v = -90 + 12

Combine like terms: -12 + 12 = 0
0 + 15v = -90 + 12
15v = -90 + 12

Combine like terms: -90 + 12 = -78
15v = -78

Divide each side by '15'.
v = -5.2

Simplifying
v = -5.2

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