Question

Solve z ÷ (–7) = –1.
A. 7 B. -7 C. 1/7 D. 6

Answer 1

Z=+7

Explanation:

To solve this question

Z÷(-7)=-1

For clear understanding

I will like to rewrite the equation as

z/-7=-1

Hope you understand...it still means the same thing so let's solve

Cross multiply

z=+7

Waoh....see how simple it is

The main reason why I have to rewrite the equation is for better understanding and to make the work easier

I believe this will help you to understand it better

Answer 2

A. 7

Explanation:

z ÷ (–7) = –1.

multiply each side by -7

z ÷ (–7)*-7 = –1.*-7

z = 7