Question

7z-100=109 find the value of z​

Answer 1

Answer:

your answer ☝️

...........

Answer 2

Answer:

$29\frac{6}{7}$

Step-by-step explanation:

7z - 100= 109

⇒7z = 209

⇒z =$29\frac{6}{7}$ $\frac{209}{7}$ = $29\frac{6}{7}$