Question

Tell what you would do to isolate the variable.

3z = 5
a.

multiply 5 on both sides

c.

multiply 3 on both sides
b.

divide 5 on both sides

d.

divide 3 on both s

Answer 1

3z = 5

To isolate the variable ( solve for z), you need to divide both sides by 3.

The answer is D.