4b-99=b-12

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Solution for 4b-99=b-12 equation:


Simplifying
4b + -99 = b + -12

Reorder the terms:
-99 + 4b = b + -12

Reorder the terms:
-99 + 4b = -12 + b

Solving
-99 + 4b = -12 + 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.
-99 + 4b + -1b = -12 + b + -1b

Combine like terms: 4b + -1b = 3b
-99 + 3b = -12 + b + -1b

Combine like terms: b + -1b = 0
-99 + 3b = -12 + 0
-99 + 3b = -12

Add '99' to each side of the equation.
-99 + 99 + 3b = -12 + 99

Combine like terms: -99 + 99 = 0
0 + 3b = -12 + 99
3b = -12 + 99

Combine like terms: -12 + 99 = 87
3b = 87

Divide each side by '3'.
b = 29

Simplifying
b = 29

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