4+4+b=13

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Solution for 4+4+b=13 equation: 


Simplifying
4 + 4 + b = 13

Combine like terms: 4 + 4 = 8
8 + b = 13

Solving
8 + b = 13

Solving for variable 'b'.

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

Add '-8' to each side of the equation.
8 + -8 + b = 13 + -8

Combine like terms: 8 + -8 = 0
0 + b = 13 + -8
b = 13 + -8

Combine like terms: 13 + -8 = 5
b = 5

Simplifying
b = 5

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