-4(12b+20)=4(-2b+20)

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Solution for -4(12b+20)=4(-2b+20) equation:


Simplifying
-4(12b + 20) = 4(-2b + 20)

Reorder the terms:
-4(20 + 12b) = 4(-2b + 20)
(20 * -4 + 12b * -4) = 4(-2b + 20)
(-80 + -48b) = 4(-2b + 20)

Reorder the terms:
-80 + -48b = 4(20 + -2b)
-80 + -48b = (20 * 4 + -2b * 4)
-80 + -48b = (80 + -8b)

Solving
-80 + -48b = 80 + -8b

Solving for variable 'b'.

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

Add '8b' to each side of the equation.
-80 + -48b + 8b = 80 + -8b + 8b

Combine like terms: -48b + 8b = -40b
-80 + -40b = 80 + -8b + 8b

Combine like terms: -8b + 8b = 0
-80 + -40b = 80 + 0
-80 + -40b = 80

Add '80' to each side of the equation.
-80 + 80 + -40b = 80 + 80

Combine like terms: -80 + 80 = 0
0 + -40b = 80 + 80
-40b = 80 + 80

Combine like terms: 80 + 80 = 160
-40b = 160

Divide each side by '-40'.
b = -4

Simplifying
b = -4

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