Respuesta :

Answer: x = 70

Step-by-step explanation:

We are looking at the supplementary angles so 180-45 = 2x -5

135 = 2x-5 add 5 to both sides

135+5 = 2x

140 = 2x Divide both sides by 2

70=x

Check: 2(70)- 5 = 135

135 + 45= 180

OK!