b+18-9b=-6b+9

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Solution for b+18-9b=-6b+9 equation:


Simplifying
b + 18 + -9b = -6b + 9

Reorder the terms:
18 + b + -9b = -6b + 9

Combine like terms: b + -9b = -8b
18 + -8b = -6b + 9

Reorder the terms:
18 + -8b = 9 + -6b

Solving
18 + -8b = 9 + -6b

Solving for variable 'b'.

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

Add '6b' to each side of the equation.
18 + -8b + 6b = 9 + -6b + 6b

Combine like terms: -8b + 6b = -2b
18 + -2b = 9 + -6b + 6b

Combine like terms: -6b + 6b = 0
18 + -2b = 9 + 0
18 + -2b = 9

Add '-18' to each side of the equation.
18 + -18 + -2b = 9 + -18

Combine like terms: 18 + -18 = 0
0 + -2b = 9 + -18
-2b = 9 + -18

Combine like terms: 9 + -18 = -9
-2b = -9

Divide each side by '-2'.
b = 4.5

Simplifying
b = 4.5

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