Respuesta :
angles add to 180 ina traingle
2x-5+4x-1+30=180
6x+24=180
minus 25 both sides
6x=156
divide both sides by 6
x=26
2x-5+4x-1+30=180
6x+24=180
minus 25 both sides
6x=156
divide both sides by 6
x=26