4−d< 4+d, solve for d d> 0 d> −4 d> −8 d> 8

y=−9/2x+10

step-by-step explanation:

let's solve for y.

0−9x−2y=−20

step 1: add 9x to both sides.

−9x−2y+9x=−20+9x

−2y=9x−20

step 2: divide both sides by -2.

−2y

−2

=

9x−20

−2

y=

−9

2

x+10

i used to know how to do this in 7th but i forget easily

step-by-step explanation: