Question

How many solutions does the equation 6z - 3z - 7 = -2 + 3 have?

Two
None
Infinitely many
One

Answer 1

One

Explanation:

Answer 2

One

Explanation:

6z - 3z - 7 = -2 + 3

Combine like terms

3z-7 = 1

Add 7 to each side

3z-7+7 = 1+7

3z=8

Divide each side by 3

3z/3 = 8/3

z = 8/3

There is one solution