Question

if perimeter is 40 cm, makes an equation,and find x

Answer 1

Answer:

perimeter = 40

then

2(8 + x - 5 ) = 40

=> 8 + x -5 = 40/2

=> x + 3 = 20

=> x = 17

Answer 2

Answer:x =17

Step-by-step explanation:

Perimeter= 40

2(8+x-5) = 40/2

x+3 = 20

x = 20-3

x = 17