Multiple Choice

A production supervisor is verifying a labor-cost equation: $9x - 5 - 8x - 6 = 7.Toverifyif. To verify if x = 18isthecorrectsolution,thesupervisorsubstitutes18foris the correct solution, the supervisor substitutes 18 forxandsimplifiestheleftside.Whatnumericalvaluemusttheleftsidesimplifytoinordertoconfirmthatand simplifies the left side. What numerical value must the left side simplify to in order to confirm thatx = 18$ is the correct solution?

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Updated 2026-04-21

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