Himpunan penyelesaian dari 1/4 (x-10) < 2/3x-5
x adalah
1. 2(3x-5)≤9x+8
6x -10 ≤ 9x + 8
-3x ≤ 18
x ≤ -6
x ≥ 6
HP : {6, 7, 8, …}
2. (3x-6) >
3(3x-6) > 4(2x-3)
9x-18 > 8x-12
x > 6
HP : {7, 8, 9,…}
3. 7x-1 ≤ 5x+5
2x ≤ 6
x ≤ 3
HP : {3, 2, 1, …}
4. x + x+2 + x+4 = 63
3x =57
x = 19
Bil. = 19, 21, 23
Jum. bil. terkecil & terbesar = 42
5. 2x+7= 5x-5
-3x =-12
x = 4
Nilai x -1 = 3
6. 1/4(x-10) = 2/3(x-5)
3(x-10) = 8(x-5)
x = 2
7. Jum. bil terbesar & terkecil = 20
8. Jum. bil. terbesar & terkecil = 26
9. -7p+8 < 3p-22
-10p < -30
p > 3
HP : {4, 5, 6, …}