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N=r (A-s) what is s

1 Answer

1 vote


r(A-s)=N\ \ \ \ |\text{use distributive property}\\\\rA-rs=N\ \ \ \ |-rA\\\\-rs=-rA+N\ \ \ \ |:(-r)\\eq0\\\\\boxed{s=(rA-N)/(r)}

User Bill Cheatham
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