At-by=c

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Solution for At-by=c equation: 


Simplifying
At + -1by = c

Reorder the terms:
-1by + tA = c

Solving
-1by + tA = c

Solving for variable 'b'.

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

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

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

Divide each side by '-1y'.
b = -1cy-1 + ty-1A

Simplifying
b = -1cy-1 + ty-1A

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