Respuesta :

10 + 3x + 7 = 29
3x = 12
x = 4

YZ= 3(4) +7
YZ= 19
Ver imagen axuri05

Answer:

x = 4

YZ = 19

Step-by-step explanation:

What we know:

- Full thing is 29

- XY = 10

- YZ = 3x+7

What to do:

XY + YZ = XZ

10 + 3x + 7 = 29

17 + 3x = 29

3x = 12

x = 4

YZ = 3x + 7

3(4) + 7

12 + 7

YZ = 19

(also that looks like Canvas, good luck!)