Question

solve the equation 5z-2z-4= -7

Answer 1

Answer:

z = -1

Step-by-step explanation:

5z-2z-4= -7

Combine like terms

3z - 4 = -7

Add 4 to each side

3z -4+4 = -7+4

3z = -3

Divide each side by 3

3z/3 = -3/3

z = -1