5+b=3b+9

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Solution for 5+b=3b+9 equation:


Simplifying
5 + b = 3b + 9

Reorder the terms:
5 + b = 9 + 3b

Solving
5 + b = 9 + 3b

Solving for variable 'b'.

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

Add '-3b' to each side of the equation.
5 + b + -3b = 9 + 3b + -3b

Combine like terms: b + -3b = -2b
5 + -2b = 9 + 3b + -3b

Combine like terms: 3b + -3b = 0
5 + -2b = 9 + 0
5 + -2b = 9

Add '-5' to each side of the equation.
5 + -5 + -2b = 9 + -5

Combine like terms: 5 + -5 = 0
0 + -2b = 9 + -5
-2b = 9 + -5

Combine like terms: 9 + -5 = 4
-2b = 4

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

Simplifying
b = -2

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