39=49-2b

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Solution for 39=49-2b equation:


Simplifying
39 = 49 + -2b

Solving
39 = 49 + -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.
39 + 2b = 49 + -2b + 2b

Combine like terms: -2b + 2b = 0
39 + 2b = 49 + 0
39 + 2b = 49

Add '-39' to each side of the equation.
39 + -39 + 2b = 49 + -39

Combine like terms: 39 + -39 = 0
0 + 2b = 49 + -39
2b = 49 + -39

Combine like terms: 49 + -39 = 10
2b = 10

Divide each side by '2'.
b = 5

Simplifying
b = 5

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