Question

Which is the correct way to check your answer for -20d=40?

A. -20/40=d
B. 40/-20=d

C. 40-20=d
D. -20d=40

Answer 1

D

Explanation:

After you get the answer then you should feel in the d with the number. Example:

-20D=40

Divide both sides by -20

D=-2

So know you should fill in d

-20(-2)=40

40=40

True