Answer:
z + 7
Step-by-step explanation:
<u>Step 1: Convert words into an expression</u>
The sum of z and 7
<em>z + 7</em>
<em />
Answer: z + 7
<u>If needed solve:</u>
z + 7 - 7 = 0 - 7
<em>z = -7</em>
Answer:
<h2>x = 25</h2>
Step-by-step explanation:
a number
x
a number divided by 5
x/5
Seven less than a number divided by 5
x/5 - 7
Seven less than a number divided by 5 is -2
x/5 - 7 = -2
x/5 = -2 + 7
x/5 = 5
x = 5 * 5
<h2>x = 25</h2>
There's no way to know this without knowing the number of pencils he started with