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For fixed real a,b,c with a≠0, which formula solves ax+b=c for x?

A(c−b)/a
B(c+b)/a
Cc−b/a
Da(c−b)
Answer & Solution
Correct answer: A. (c−b)/a
Subtract b from both sides, obtaining ax=c−b. Divide by the nonzero coefficient a to obtain x=(c−b)/a.
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