? help out ( not good with math )

The answer is x = 3

Step-by-step explanation:

5x + 9 = 24

5x +9 -9 = 24 - 9

5x = 15

x = 15/5 = 3

Therefore, x = 3

Kelly multiplied 5 to each side when she solved for x, which is incorrect.

Kelly had incorrectly solved for where she had multiplied by instead of dividing by to find for .

Step-by-step explanation:

How Kelly should have solved it:

(mistake occurred during this step in Kelly's work where she had multiplied by )

Checking:

To check if , we can use substitution:

∴ The solution for is correct.

Hope this helps :)

1) c 2143.6 cm

2) c 113.0 m

3) a 33.5 ft

4)   d 2 cm

5) c 20 mm

6) 180 in

7) d 120 ft

32/80  

91/140

the last one 54 doesn't go into 45. 54/100 ?

step-by-step explanation: