4=b-20

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Solution for 4=b-20 equation:


Simplifying
4 = b + -20

Reorder the terms:
4 = -20 + b

Solving
4 = -20 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
4 + -1b = -20 + b + -1b

Combine like terms: b + -1b = 0
4 + -1b = -20 + 0
4 + -1b = -20

Add '-4' to each side of the equation.
4 + -4 + -1b = -20 + -4

Combine like terms: 4 + -4 = 0
0 + -1b = -20 + -4
-1b = -20 + -4

Combine like terms: -20 + -4 = -24
-1b = -24

Divide each side by '-1'.
b = 24

Simplifying
b = 24

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