-42=-6b

Solution for -42=-6b equation:

Simplifying
-42 = -6b

Solving
-42 = -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.
-42 + 6b = -6b + 6b

Combine like terms: -6b + 6b = 0
-42 + 6b = 0

Add '42' to each side of the equation.
-42 + 42 + 6b = 0 + 42

Combine like terms: -42 + 42 = 0
0 + 6b = 0 + 42
6b = 0 + 42

Combine like terms: 0 + 42 = 42
6b = 42

Divide each side by '6'.
b = 7

Simplifying
b = 7