-4b+8=-20

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Solution for -4b+8=-20 equation: 


Simplifying
-4b + 8 = -20

Reorder the terms:
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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