Tell whether the given number is a solution of the equation. $$8 k + 9 = 9 k - 1 ; k = 8$$
A)unqualified solution
B)removed solution
C)solution
D)not a solution
E)none of these

Question

Quizplus · Accepted Answer

Substituting $k = 8$ into the equation $8k + 9 = 9k - 1$, we get $8(8) + 9 = 9(8) - 1$, which simplifies to $64 + 9 = 72 - 1$. This further simplifies to $73 \neq 71$, indicating that $k = 8$ does not satisfy the equation.

Tell Whether the Given Number Is a Solution of the Equation