H(x)=-4x - 7, when x = 3

-19

Step-by-step explanation:

To solve this plug 3 in for x.

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

the answers are in the images, i received 100% on this assignment. hope this !