Question

Solve 18 + 9k = 72 K=....​

Answer 1

You will need to group like term
18-72=63k
Divide by 9
Your answer should be 6k

Answer 2

Subtract 18 from 72 which equals 54. Now your equation is 9k=54k.
Divide 9 from both sides.
9k/9=0 (k) , 54k/9= 6k.
Don’t forgot the variable in your answer, it’s extremely important to remember it. Your final answer is 6k.