Peter is making new cushion covers for a chair. There are three sizes of cushions on the chair. What is the surface area of the seat back cushion?
21 in
Net for Seat Back
3 in
3 in
10 in
21 in
21 in
3 in
seat back
15 in
10 in arm rest
15 in
15 in
3 in
seat bottom
3 in
21 in
18 in
21 in

let's solve your equation step-by-step.

24−3x=−27

step 1: simplify both sides of the equation.

24−3x=−27

24+−3x=−27

−3x+24=−27

step 2: subtract 24 from both sides.

−3x+24−24=−27−24

−3x=−51

step 3: divide both sides by -3.

−3x

−3

=

−51

−3

x=17

answer:

x=17

step-by-step explanation:

mark brainliest and have a great day!

faster, im not sure why but i know it is faster

inverse property is the answer

step-by-step explanation:

2y+y=5

add 2y and y