b-8=40-2b

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Solution for b-8=40-2b equation:


Simplifying
b + -8 = 40 + -2b

Reorder the terms:
-8 + b = 40 + -2b

Solving
-8 + b = 40 + -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.
-8 + b + 2b = 40 + -2b + 2b

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

Combine like terms: -2b + 2b = 0
-8 + 3b = 40 + 0
-8 + 3b = 40

Add '8' to each side of the equation.
-8 + 8 + 3b = 40 + 8

Combine like terms: -8 + 8 = 0
0 + 3b = 40 + 8
3b = 40 + 8

Combine like terms: 40 + 8 = 48
3b = 48

Divide each side by '3'.
b = 16

Simplifying
b = 16

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