za+b=3

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Solution for za+b=3 equation: 


Simplifying
za + b = 3

Solving
az + b = 3

Solving for variable 'a'.

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

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

Combine like terms: b + -1b = 0
az + 0 = 3 + -1b
az = 3 + -1b

Divide each side by 'z'.
a = 3z-1 + -1bz-1

Simplifying
a = 3z-1 + -1bz-1

Reorder the terms:
a = -1bz-1 + 3z-1

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