9=-18-9b

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Solution for 9=-18-9b equation:


Simplifying
9 = -18 + -9b

Solving
9 = -18 + -9b

Solving for variable 'b'.

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

Add '9b' to each side of the equation.
9 + 9b = -18 + -9b + 9b

Combine like terms: -9b + 9b = 0
9 + 9b = -18 + 0
9 + 9b = -18

Add '-9' to each side of the equation.
9 + -9 + 9b = -18 + -9

Combine like terms: 9 + -9 = 0
0 + 9b = -18 + -9
9b = -18 + -9

Combine like terms: -18 + -9 = -27
9b = -27

Divide each side by '9'.
b = -3

Simplifying
b = -3

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