Question

8 decreased by the sum of 7 and z

Answer 1

Answer:

$-(7+x)+8$

Step-by-step explanation:

Answer 2

Answer:

8 – 7 + z

Step-by-step explanation:

The sum of 7 and z means that you add 7 and z (7 + z) and then 8 is decreased is simply 8 –, so therefore your answer is 8 – 7 + z.