Minta dijelasin cara sama jawabannya ya
Jawaban Terkonfirmasi
Nomer 28
2x {2 + 5/2x = 5}
4x + 5 = 10x
5 = 6x
5/6 = x
nomer 29
6 { 1/3 x + 1/2 = 3/2(x-2)}
2x + 3 = 9x – 18
21 = 7x
3 = x
nomer 30
4 { 2x-3/2 = 4 + 5x+6/4}
4x – 6 = 16 + 5x + 6
– 28 = x
nomer 31
6 x {1/2 (a-2) = 1/3 (a+3)}
3a – 6 = 2a + 6
a = 12
nomer 32
75 => 23 + 25 + 27
jumlah bil. terkecil dan terbesar = 23 + 27 = 50