8=b-7b

Solution for 8=b-7b equation:

Simplifying
8 = b + -7b

Combine like terms: b + -7b = -6b
8 = -6b

Solving
8 = -6b

Solving for variable 'b'.

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

Add '6b' to each side of the equation.
8 + 6b = -6b + 6b

Combine like terms: -6b + 6b = 0
8 + 6b = 0

Add '-8' to each side of the equation.
8 + -8 + 6b = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 6b = 0 + -8
6b = 0 + -8

Combine like terms: 0 + -8 = -8
6b = -8

Divide each side by '6'.
b = -1.333333333

Simplifying
b = -1.333333333