Respuesta :

hannahkirch17

I got 45 for x and 135 for z.

X and 3x are supplementary (they equal 180) x+3x=180 — 45+3(45)=180

Then x and z are also supplementary x+z=180 — 45+z=180

(45-45)+z=180-45

Z=135

Sorry if this is wrong. I did my best, hope it helps