7(3-4v)-4=157

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Solution for 7(3-4v)-4=157 equation:


Simplifying
7(3 + -4v) + -4 = 157
(3 * 7 + -4v * 7) + -4 = 157
(21 + -28v) + -4 = 157

Reorder the terms:
21 + -4 + -28v = 157

Combine like terms: 21 + -4 = 17
17 + -28v = 157

Solving
17 + -28v = 157

Solving for variable 'v'.

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

Add '-17' to each side of the equation.
17 + -17 + -28v = 157 + -17

Combine like terms: 17 + -17 = 0
0 + -28v = 157 + -17
-28v = 157 + -17

Combine like terms: 157 + -17 = 140
-28v = 140

Divide each side by '-28'.
v = -5

Simplifying
v = -5

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