19.87-1.6+13.8v=-7.4v+1.31

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Solution for 19.87-1.6+13.8v=-7.4v+1.31 equation: 


Simplifying
19.87 + -1.6 + 13.8v = -7.4v + 1.31

Combine like terms: 19.87 + -1.6 = 18.27
18.27 + 13.8v = -7.4v + 1.31

Reorder the terms:
18.27 + 13.8v = 1.31 + -7.4v

Solving
18.27 + 13.8v = 1.31 + -7.4v

Solving for variable 'v'.

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

Add '7.4v' to each side of the equation.
18.27 + 13.8v + 7.4v = 1.31 + -7.4v + 7.4v

Combine like terms: 13.8v + 7.4v = 21.2v
18.27 + 21.2v = 1.31 + -7.4v + 7.4v

Combine like terms: -7.4v + 7.4v = 0.0
18.27 + 21.2v = 1.31 + 0.0
18.27 + 21.2v = 1.31

Add '-18.27' to each side of the equation.
18.27 + -18.27 + 21.2v = 1.31 + -18.27

Combine like terms: 18.27 + -18.27 = 0.00
0.00 + 21.2v = 1.31 + -18.27
21.2v = 1.31 + -18.27

Combine like terms: 1.31 + -18.27 = -16.96
21.2v = -16.96

Divide each side by '21.2'.
v = -0.8

Simplifying
v = -0.8

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