3b+k=80

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Solution for 3b+k=80 equation: 


Simplifying
3b + k = 80

Solving
3b + k = 80

Solving for variable 'b'.

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

Add '-1k' to each side of the equation.
3b + k + -1k = 80 + -1k

Combine like terms: k + -1k = 0
3b + 0 = 80 + -1k
3b = 80 + -1k

Divide each side by '3'.
b = 26.66666667 + -0.3333333333k

Simplifying
b = 26.66666667 + -0.3333333333k

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