Question

solve the equation:

5z-7=2z​

Answer 1

Step-by-step explanation:

5z-2z=7

3z=7

z=7÷3

this is your correct answer.

Answer 2

$5z-7=2z$

$5z-7 + 7=2z + 7$

$5z=2z + 7$

$5z - 2z=2z + 7 - 2z$

$3z = 7$

$\frac{3z}{3} = \frac{7}{3}$

$z = \frac{7}{3}$