-13=-7b-6b

Solution for -13=-7b-6b equation:

Simplifying
-13 = -7b + -6b

Combine like terms: -7b + -6b = -13b
-13 = -13b

Solving
-13 = -13b

Solving for variable 'b'.

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

Add '13b' to each side of the equation.
-13 + 13b = -13b + 13b

Combine like terms: -13b + 13b = 0
-13 + 13b = 0

Add '13' to each side of the equation.
-13 + 13 + 13b = 0 + 13

Combine like terms: -13 + 13 = 0
0 + 13b = 0 + 13
13b = 0 + 13

Combine like terms: 0 + 13 = 13
13b = 13

Divide each side by '13'.
b = 1

Simplifying
b = 1