5+6(1+5b)=-139

Solution for 5+6(1+5b)=-139 equation:

Simplifying
5 + 6(1 + 5b) = -139
5 + (1 * 6 + 5b * 6) = -139
5 + (6 + 30b) = -139

Combine like terms: 5 + 6 = 11
11 + 30b = -139

Solving
11 + 30b = -139

Solving for variable 'b'.

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

Add '-11' to each side of the equation.
11 + -11 + 30b = -139 + -11

Combine like terms: 11 + -11 = 0
0 + 30b = -139 + -11
30b = -139 + -11

Combine like terms: -139 + -11 = -150
30b = -150

Divide each side by '30'.
b = -5

Simplifying
b = -5