Question

Whats the answer 9(k + 2) = 99

Answer 1

10.8

Explanation:

9k+2=99

-2 -2

9k=97

k=10.8

Answer 2

k = 9

Explanation:

Use distributive rule

9(k + 2) = 99

9*k + 9*2 = 99

9k + 18 = 99 {Subtract 8 from both sides}

9k + 18 -18 = 99 - 18

9k = 81 {Divide both sides by 9}

9k/9= 81/9

k = 9