Question

Solve for

z
zz.
12
=
15
(
z
−
1
5
)
12=15(z−
5
1
​
)

Answer 1

z = 1

Explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

12 = 15(z - 1/5)

12/15 = z - 1/5

4/5 = z - 1/5

z = 1

(P.S I did the khan academy)

Answer 2

z = 1

Explanation:

12 = 15(z - 1/5)

12/15 = z - 1/5

4/5 = z - 1/5

z = 1