3b-9=b+5

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


Simplifying
3b + -9 = b + 5

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

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

Solving
-9 + 3b = 5 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
-9 + 3b + -1b = 5 + b + -1b

Combine like terms: 3b + -1b = 2b
-9 + 2b = 5 + b + -1b

Combine like terms: b + -1b = 0
-9 + 2b = 5 + 0
-9 + 2b = 5

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

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

Combine like terms: 5 + 9 = 14
2b = 14

Divide each side by '2'.
b = 7

Simplifying
b = 7

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