ada yang bisa bantu gak ya?, semoga bisa ya ,no 15-16 aj kok :)

15. 5/3a^2 + 3/6a
=10/6a^2 + 3a/6a^2
=3a+10/6a^2..... (c)


16. -5+2x=23
2x =23+5
x=28/2
x=14.....(a)

15. 5/3a² + 3/6a = 10/6a² + 3a/6a² = 10 + 3a/6a² (c)
16. -5 + 2x = 23
2x = 28
x = 14 (a)