b+b-18=4b

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Solution for b+b-18=4b equation:


Simplifying
b + b + -18 = 4b

Reorder the terms:
-18 + b + b = 4b

Combine like terms: b + b = 2b
-18 + 2b = 4b

Solving
-18 + 2b = 4b

Solving for variable 'b'.

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

Add '-4b' to each side of the equation.
-18 + 2b + -4b = 4b + -4b

Combine like terms: 2b + -4b = -2b
-18 + -2b = 4b + -4b

Combine like terms: 4b + -4b = 0
-18 + -2b = 0

Add '18' to each side of the equation.
-18 + 18 + -2b = 0 + 18

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

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

Divide each side by '-2'.
b = -9

Simplifying
b = -9

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