-42=-7b

Solution for -42=-7b equation:

Simplifying
-42 = -7b

Solving
-42 = -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.
-42 + 7b = -7b + 7b

Combine like terms: -7b + 7b = 0
-42 + 7b = 0

Add '42' to each side of the equation.
-42 + 42 + 7b = 0 + 42

Combine like terms: -42 + 42 = 0
0 + 7b = 0 + 42
7b = 0 + 42

Combine like terms: 0 + 42 = 42
7b = 42

Divide each side by '7'.
b = 6

Simplifying
b = 6