27=-5b-7b

Solution for 27=-5b-7b equation:

Simplifying
27 = -5b + -7b

Combine like terms: -5b + -7b = -12b
27 = -12b

Solving
27 = -12b

Solving for variable 'b'.

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

Add '12b' to each side of the equation.
27 + 12b = -12b + 12b

Combine like terms: -12b + 12b = 0
27 + 12b = 0

Add '-27' to each side of the equation.
27 + -27 + 12b = 0 + -27

Combine like terms: 27 + -27 = 0
0 + 12b = 0 + -27
12b = 0 + -27

Combine like terms: 0 + -27 = -27
12b = -27

Divide each side by '12'.
b = -2.25

Simplifying
b = -2.25