Two adjacent angles have a sum of 100°. The angles have measures ∠1 = 20° and ∠2 = (3x + 15)°. What equation can be used to solve for x?(1 point)

Responses

3x+115=203 x plus 115 is equal to 20

3x−20=1003 x minus 20 is equal to 100

3x−100=203 x minus 100 is equal to 20

3x+35=100