Respuesta :

90+3x+2+x=180
Subtract 90 from both sides
3x+2+x=90

4x+2=90
Subtract 2 from both sides
4x=88
Divide by 4
X=22

Angle 1+ angle x=180

Angle1 + 22=180
Subtract 22 from both sides
Angle 1 =158