Question

linear equations w/ distribution (lev 1)
this is the only question in this section.
question
solve.
3(z - 7) = 3
answer
attempt 1 out of 2
z =

Explanation:

Step1: Distribute the 3

$3z-21 = 3$

Step2: Add 21 to both sides

$3z-21 + 21=3 + 21$
$3z=24$

Step3: Divide both sides by 3

$\frac{3z}{3}=\frac{24}{3}$
$z = 8$

Answer:

$8$