4(1+7n)-1=-137

Solution for 4(1+7n)-1=-137 equation:

Simplifying
4(1 + 7n) + -1 = -137
(1 * 4 + 7n * 4) + -1 = -137
(4 + 28n) + -1 = -137

Reorder the terms:
4 + -1 + 28n = -137

Combine like terms: 4 + -1 = 3
3 + 28n = -137

Solving
3 + 28n = -137

Solving for variable 'n'.

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

Add '-3' to each side of the equation.
3 + -3 + 28n = -137 + -3

Combine like terms: 3 + -3 = 0
0 + 28n = -137 + -3
28n = -137 + -3

Combine like terms: -137 + -3 = -140
28n = -140

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

Simplifying
n = -5