Respuesta :

thebecks

Answer:

13) x = 30

14) x = 22.5

15) x = 36

Step-by-step explanation:

13) 4x+2x = 180

6x = 180

x = 30

14) 3x+5x = 180

8x = 180

x = 22.5

15) 2x+3x+2x+3x = 360

10x = 360

x = 36

djk90229

Answer:

x=36

Step-by-step explanation: