45=9-2b

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Solution for 45=9-2b equation:


Simplifying
45 = 9 + -2b

Solving
45 = 9 + -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.
45 + 2b = 9 + -2b + 2b

Combine like terms: -2b + 2b = 0
45 + 2b = 9 + 0
45 + 2b = 9

Add '-45' to each side of the equation.
45 + -45 + 2b = 9 + -45

Combine like terms: 45 + -45 = 0
0 + 2b = 9 + -45
2b = 9 + -45

Combine like terms: 9 + -45 = -36
2b = -36

Divide each side by '2'.
b = -18

Simplifying
b = -18

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