1-7b+1=-12

Solution for 1-7b+1=-12 equation:

Simplifying
1 + -7b + 1 = -12

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

Combine like terms: 1 + 1 = 2
2 + -7b = -12

Solving
2 + -7b = -12

Solving for variable 'b'.

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

Add '-2' to each side of the equation.
2 + -2 + -7b = -12 + -2

Combine like terms: 2 + -2 = 0
0 + -7b = -12 + -2
-7b = -12 + -2

Combine like terms: -12 + -2 = -14
-7b = -14

Divide each side by '-7'.
b = 2

Simplifying
b = 2