89=-2+7b

Solution for 89=-2+7b equation:

Simplifying
89 = -2 + 7b

Solving
89 = -2 + 7b

Solving for variable 'b'.

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

Add '-7b' to each side of the equation.
89 + -7b = -2 + 7b + -7b

Combine like terms: 7b + -7b = 0
89 + -7b = -2 + 0
89 + -7b = -2

Add '-89' to each side of the equation.
89 + -89 + -7b = -2 + -89

Combine like terms: 89 + -89 = 0
0 + -7b = -2 + -89
-7b = -2 + -89

Combine like terms: -2 + -89 = -91
-7b = -91

Divide each side by '-7'.
b = 13

Simplifying
b = 13