Question

Can someone please help me with this math problem? Thanks.

Answer 1

Answer:

x=23

Step-by-step explanation:

All four sides add up to 136, so subtract 4 and 4. This leaves 128. Divide that by 2 for the remaining sides, and that is 64 per side. Set 3x-5 equal to 64.

3x-5=64

+5      +5

3x=69

/3     /3

x=23.  

Answer 2

Answer:

13 = x

Step-by-step explanation:

136 =3x-5(4)

136 = 12x-20

136/12 = 12x/12

13 = x