A figure displays two nonadjacent angles with measures 3x° and (4x + 1) °. If the angles are complementary, what is the simplified equation corresponding to the measures of the angles? (1 point)
(7x + 1) ° = 90°
(7x + 1) ° = 180°
1x+1 °=180 °
(1x + 1) ° = 90°