42=-6+4b

Solution for 42=-6+4b equation:

Simplifying
42 = -6 + 4b

Solving
42 = -6 + 4b

Solving for variable 'b'.

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

Add '-4b' to each side of the equation.
42 + -4b = -6 + 4b + -4b

Combine like terms: 4b + -4b = 0
42 + -4b = -6 + 0
42 + -4b = -6

Add '-42' to each side of the equation.
42 + -42 + -4b = -6 + -42

Combine like terms: 42 + -42 = 0
0 + -4b = -6 + -42
-4b = -6 + -42

Combine like terms: -6 + -42 = -48
-4b = -48

Divide each side by '-4'.
b = 12

Simplifying
b = 12