131=-3(1-7v)+8

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Solution for 131=-3(1-7v)+8 equation:


Simplifying
131 = -3(1 + -7v) + 8
131 = (1 * -3 + -7v * -3) + 8
131 = (-3 + 21v) + 8

Reorder the terms:
131 = -3 + 8 + 21v

Combine like terms: -3 + 8 = 5
131 = 5 + 21v

Solving
131 = 5 + 21v

Solving for variable 'v'.

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

Add '-21v' to each side of the equation.
131 + -21v = 5 + 21v + -21v

Combine like terms: 21v + -21v = 0
131 + -21v = 5 + 0
131 + -21v = 5

Add '-131' to each side of the equation.
131 + -131 + -21v = 5 + -131

Combine like terms: 131 + -131 = 0
0 + -21v = 5 + -131
-21v = 5 + -131

Combine like terms: 5 + -131 = -126
-21v = -126

Divide each side by '-21'.
v = 6

Simplifying
v = 6

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