Xa-by=c

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Solution for Xa-by=c equation: 


Simplifying
Xa + -1by = c

Solving
aX + -1by = c

Solving for variable 'a'.

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

Add 'by' to each side of the equation.
aX + -1by + by = by + c

Combine like terms: -1by + by = 0
aX + 0 = by + c
aX = by + c

Divide each side by 'X'.
a = byX-1 + cX-1

Simplifying
a = byX-1 + cX-1

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