-4b-36=-4(-3+7b)

Solution for -4b-36=-4(-3+7b) equation:

Simplifying
-4b + -36 = -4(-3 + 7b)

Reorder the terms:
-36 + -4b = -4(-3 + 7b)
-36 + -4b = (-3 * -4 + 7b * -4)
-36 + -4b = (12 + -28b)

Solving
-36 + -4b = 12 + -28b

Solving for variable 'b'.

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

Add '28b' to each side of the equation.
-36 + -4b + 28b = 12 + -28b + 28b

Combine like terms: -4b + 28b = 24b
-36 + 24b = 12 + -28b + 28b

Combine like terms: -28b + 28b = 0
-36 + 24b = 12 + 0
-36 + 24b = 12

Add '36' to each side of the equation.
-36 + 36 + 24b = 12 + 36

Combine like terms: -36 + 36 = 0
0 + 24b = 12 + 36
24b = 12 + 36

Combine like terms: 12 + 36 = 48
24b = 48

Divide each side by '24'.
b = 2

Simplifying
b = 2