3b+8=40+b

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Solution for 3b+8=40+b equation:


Simplifying
3b + 8 = 40 + b

Reorder the terms:
8 + 3b = 40 + b

Solving
8 + 3b = 40 + 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 + 3b + -1b = 40 + b + -1b

Combine like terms: 3b + -1b = 2b
8 + 2b = 40 + b + -1b

Combine like terms: b + -1b = 0
8 + 2b = 40 + 0
8 + 2b = 40

Add '-8' to each side of the equation.
8 + -8 + 2b = 40 + -8

Combine like terms: 8 + -8 = 0
0 + 2b = 40 + -8
2b = 40 + -8

Combine like terms: 40 + -8 = 32
2b = 32

Divide each side by '2'.
b = 16

Simplifying
b = 16

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