Question

2y + 7y equal -20 find the value of y

Answer 1

2y + 7y = -20 :First combine like terms (2y and 7y)

9y = -20 :Then, divide the whole equation by 9

y = -2.22

or

y = -22/10

or

y = -11/5

or

y = -2 1/5

Answer 2

2y+7y=-20
You first add common numbers/variables
So you add 2y to 7y=9y
9y=-20
You divide -20 by 9y=-2
`(2)/(9)`
y=2
`(2)/(9)`