if the opposite angle of rhombus are (2x+35) and (4x-25) then what is value of x

Question

Answer must be 30°,15°,45°,60° one if it

Answer 1

Opposite angles of a rhombus are congruent.

(2x + 35)° = (4x - 25)°

35° = (2x - 25)°

60° = 2x

30° = x

Answer 2

x= -35/2 and x= 25/4