4b+5=2b-20

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Solution for 4b+5=2b-20 equation:


Simplifying
4b + 5 = 2b + -20

Reorder the terms:
5 + 4b = 2b + -20

Reorder the terms:
5 + 4b = -20 + 2b

Solving
5 + 4b = -20 + 2b

Solving for variable 'b'.

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

Add '-2b' to each side of the equation.
5 + 4b + -2b = -20 + 2b + -2b

Combine like terms: 4b + -2b = 2b
5 + 2b = -20 + 2b + -2b

Combine like terms: 2b + -2b = 0
5 + 2b = -20 + 0
5 + 2b = -20

Add '-5' to each side of the equation.
5 + -5 + 2b = -20 + -5

Combine like terms: 5 + -5 = 0
0 + 2b = -20 + -5
2b = -20 + -5

Combine like terms: -20 + -5 = -25
2b = -25

Divide each side by '2'.
b = -12.5

Simplifying
b = -12.5

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