Respuesta :

3x + 5 + 10x - 7 = 180
Combine like terms
13x - 2 = 180
Add 2
13x = 182
Divide by 13
x = 14

Solving QRT:
Plug in 14 for the x
3(14) + 5 = 47
QRT = 47°

Solving TRS:
Plug in 14 for the x
10(14) - 7 = 133
TRS = 133°