Answer :

rinx3x

Answer:

y = -1 ?

Step-by-step explanation:

y+10= 18/2

y+10=9

y=9-10

y=-1

ThuGiangg

Answer:

2y+ 20=18

⇔2y=-2

⇔y=-1

⇒1/2y=1/2(-1)

=-1/2

Step-by-step explanation:

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