4b+8=20+b

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Solution for 4b+8=20+b equation:


Simplifying
4b + 8 = 20 + b

Reorder the terms:
8 + 4b = 20 + b

Solving
8 + 4b = 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.
8 + 4b + -1b = 20 + b + -1b

Combine like terms: 4b + -1b = 3b
8 + 3b = 20 + b + -1b

Combine like terms: b + -1b = 0
8 + 3b = 20 + 0
8 + 3b = 20

Add '-8' to each side of the equation.
8 + -8 + 3b = 20 + -8

Combine like terms: 8 + -8 = 0
0 + 3b = 20 + -8
3b = 20 + -8

Combine like terms: 20 + -8 = 12
3b = 12

Divide each side by '3'.
b = 4

Simplifying
b = 4

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