Ax+bu=c

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Solution for Ax+bu=c equation: 


Simplifying
Ax + bu = c

Reorder the terms:
bu + xA = c

Solving
bu + xA = c

Solving for variable 'b'.

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

Add '-1xA' to each side of the equation.
bu + xA + -1xA = c + -1xA

Combine like terms: xA + -1xA = 0
bu + 0 = c + -1xA
bu = c + -1xA

Divide each side by 'u'.
b = cu-1 + -1u-1xA

Simplifying
b = cu-1 + -1u-1xA

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