As+but=c

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Solution for As+but=c equation: 


Simplifying
As + but = c

Reorder the terms:
btu + sA = c

Solving
btu + sA = c

Solving for variable 'b'.

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

Add '-1sA' to each side of the equation.
btu + sA + -1sA = c + -1sA

Combine like terms: sA + -1sA = 0
btu + 0 = c + -1sA
btu = c + -1sA

Divide each side by 'tu'.
b = ct-1u-1 + -1st-1u-1A

Simplifying
b = ct-1u-1 + -1st-1u-1A

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