Question

2(z – 10) = -4 (ignore this)

Answer 1

Answer:

8

Step-by-step explanation:

2z-20=-4

2z=-4+20

2z=16

dividing both sides by 2 which is the coefficient of z

z=8

Answer 2

2(z-10)=-4
2z-20=-4
2z=16
z=8