3(1-7v)=-123

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Solution for 3(1-7v)=-123 equation: 


Simplifying
3(1 + -7v) = -123
(1 * 3 + -7v * 3) = -123
(3 + -21v) = -123

Solving
3 + -21v = -123

Solving for variable 'v'.

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

Add '-3' to each side of the equation.
3 + -3 + -21v = -123 + -3

Combine like terms: 3 + -3 = 0
0 + -21v = -123 + -3
-21v = -123 + -3

Combine like terms: -123 + -3 = -126
-21v = -126

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

Simplifying
v = 6

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