-12b+1+(13b-7)=0

Solution for -12b+1+(13b-7)=0 equation:

Simplifying
-12b + 1 + (13b + -7) = 0

Reorder the terms:
-12b + 1 + (-7 + 13b) = 0

Remove parenthesis around (-7 + 13b)
-12b + 1 + -7 + 13b = 0

Reorder the terms:
1 + -7 + -12b + 13b = 0

Combine like terms: 1 + -7 = -6
-6 + -12b + 13b = 0

Combine like terms: -12b + 13b = 1b
-6 + 1b = 0

Solving
-6 + 1b = 0

Solving for variable 'b'.

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

Add '6' to each side of the equation.
-6 + 6 + 1b = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 1b = 0 + 6
1b = 0 + 6

Combine like terms: 0 + 6 = 6
1b = 6

Divide each side by '1'.
b = 6

Simplifying
b = 6