109=7-2(5-8v)

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Solution for 109=7-2(5-8v) equation:


Simplifying
109 = 7 + -2(5 + -8v)
109 = 7 + (5 * -2 + -8v * -2)
109 = 7 + (-10 + 16v)

Combine like terms: 7 + -10 = -3
109 = -3 + 16v

Solving
109 = -3 + 16v

Solving for variable 'v'.

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

Add '-16v' to each side of the equation.
109 + -16v = -3 + 16v + -16v

Combine like terms: 16v + -16v = 0
109 + -16v = -3 + 0
109 + -16v = -3

Add '-109' to each side of the equation.
109 + -109 + -16v = -3 + -109

Combine like terms: 109 + -109 = 0
0 + -16v = -3 + -109
-16v = -3 + -109

Combine like terms: -3 + -109 = -112
-16v = -112

Divide each side by '-16'.
v = 7

Simplifying
v = 7

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