so first make an equation
180 = 3a + 2a - 25
combine like terms
180 = 5a - 25
add 25 to both sides
205 = 5a
divide both sides by 5
41 = a
now substitute 41 into the two angles
3(41) = 123
2(41) - 25 = 82 - 25 = 57
so one angle is 123 degrees
the other angle is 57 degrees
to check it, just add 123 + 57 = 180
yep! its correct
i hope this helps!!