Question

Justify -7k=-42 , then k=6

Answer 1

1. Substitute 6 in k and when you do that you get -42 therefore k=6
2. Divide -7 over -7k and what you do on the left, you do on the right. Then divide -7 over -42 and your answer is 6, therefore k=6

Answer 2

Answer: K=6 is correct

Explanation:

If you substitute 6 for k and then multiply -7 the answer equals correctly!