20-4b=-16

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Solution for 20-4b=-16 equation: 


Simplifying
20 + -4b = -16

Solving
20 + -4b = -16

Solving for variable 'b'.

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

Add '-20' to each side of the equation.
20 + -20 + -4b = -16 + -20

Combine like terms: 20 + -20 = 0
0 + -4b = -16 + -20
-4b = -16 + -20

Combine like terms: -16 + -20 = -36
-4b = -36

Divide each side by '-4'.
b = 9

Simplifying
b = 9

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