-4b-40=2(-4b-8)+4

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Solution for -4b-40=2(-4b-8)+4 equation:


Simplifying
-4b + -40 = 2(-4b + -8) + 4

Reorder the terms:
-40 + -4b = 2(-4b + -8) + 4

Reorder the terms:
-40 + -4b = 2(-8 + -4b) + 4
-40 + -4b = (-8 * 2 + -4b * 2) + 4
-40 + -4b = (-16 + -8b) + 4

Reorder the terms:
-40 + -4b = -16 + 4 + -8b

Combine like terms: -16 + 4 = -12
-40 + -4b = -12 + -8b

Solving
-40 + -4b = -12 + -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.
-40 + -4b + 8b = -12 + -8b + 8b

Combine like terms: -4b + 8b = 4b
-40 + 4b = -12 + -8b + 8b

Combine like terms: -8b + 8b = 0
-40 + 4b = -12 + 0
-40 + 4b = -12

Add '40' to each side of the equation.
-40 + 40 + 4b = -12 + 40

Combine like terms: -40 + 40 = 0
0 + 4b = -12 + 40
4b = -12 + 40

Combine like terms: -12 + 40 = 28
4b = 28

Divide each side by '4'.
b = 7

Simplifying
b = 7

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