20+5b-15=

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Solution for 20+5b-15= equation: 


Simplifying
20 + 5b + -15 = 0

Reorder the terms:
20 + -15 + 5b = 0

Combine like terms: 20 + -15 = 5
5 + 5b = 0

Solving
5 + 5b = 0

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 + 5b = 0 + -5

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

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

Divide each side by '5'.
b = -1

Simplifying
b = -1

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