Question

If 2(y + 10) = 18, find the value of 1/2y

Answer 1

Answer:

y = -1 ?

Step-by-step explanation:

y+10= 18/2

y+10=9

y=9-10

y=-1

Answer 2

Answer:

2y+ 20=18

⇔2y=-2

⇔y=-1

⇒1/2y=1/2(-1)

=-1/2

Step-by-step explanation: