3b-4c=9-b

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Solution for 3b-4c=9-b equation:


Simplifying
3b + -4c = 9 + -1b

Solving
3b + -4c = 9 + -1b

Solving for variable 'b'.

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

Add 'b' to each side of the equation.
3b + b + -4c = 9 + -1b + b

Combine like terms: 3b + b = 4b
4b + -4c = 9 + -1b + b

Combine like terms: -1b + b = 0
4b + -4c = 9 + 0
4b + -4c = 9

Add '4c' to each side of the equation.
4b + -4c + 4c = 9 + 4c

Combine like terms: -4c + 4c = 0
4b + 0 = 9 + 4c
4b = 9 + 4c

Divide each side by '4'.
b = 2.25 + c

Simplifying
b = 2.25 + c

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