5-b=20

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Solution for 5-b=20 equation: 


Simplifying
5 + -1b = 20

Solving
5 + -1b = 20

Solving for variable 'b'.

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

Add '-5' to each side of the equation.
5 + -5 + -1b = 20 + -5

Combine like terms: 5 + -5 = 0
0 + -1b = 20 + -5
-1b = 20 + -5

Combine like terms: 20 + -5 = 15
-1b = 15

Divide each side by '-1'.
b = -15

Simplifying
b = -15

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