-v-(-13v)-2v-(-18v)-18v=-20

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Solution for -v-(-13v)-2v-(-18v)-18v=-20 equation: 


Simplifying
-1v + -1(-13v) + -2v + -1(-18v) + -18v = -20

Remove parenthesis around (-13v)
-1v + -1 * -13v + -2v + -1(-18v) + -18v = -20

Multiply -1 * -13
-1v + 13v + -2v + -1(-18v) + -18v = -20

Remove parenthesis around (-18v)
-1v + 13v + -2v + -1 * -18v + -18v = -20

Multiply -1 * -18
-1v + 13v + -2v + 18v + -18v = -20

Combine like terms: -1v + 13v = 12v
12v + -2v + 18v + -18v = -20

Combine like terms: 12v + -2v = 10v
10v + 18v + -18v = -20

Combine like terms: 10v + 18v = 28v
28v + -18v = -20

Combine like terms: 28v + -18v = 10v
10v = -20

Solving
10v = -20

Solving for variable 'v'.

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

Divide each side by '10'.
v = -2

Simplifying
v = -2

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