What is the equation x=y+z solved for z?

A. X+y=z
B. X/y=z
C. Y/x=z
D. X-y=z••

Correct me

3 answers

I know that b and c are wrong because they are both division.if x is the total then you would subtract y or z from x. Since we are looking for z we have to subtract y from x. So which one has y being subtracted from x and equaling z.
That's a hint.
In the formula rt = d, r is rate, t is time, and d is distance. What is the rate for a runner who completes 7.5 miles in 1.5 hours?