-4(b+2)=20

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


Simplifying
-4(b + 2) = 20

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

Solving
-8 + -4b = 20

Solving for variable 'b'.

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

Add '8' to each side of the equation.
-8 + 8 + -4b = 20 + 8

Combine like terms: -8 + 8 = 0
0 + -4b = 20 + 8
-4b = 20 + 8

Combine like terms: 20 + 8 = 28
-4b = 28

Divide each side by '-4'.
b = -7

Simplifying
b = -7

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