Question

Himpunan penyelesaian dari pertidak samaanalinear satu variabe
no 3. 9a-22>2a+62
" 4. 3x+27<5x+9

Answer 1

9a - 22 > 2a + 62
       7a > 84
         a > 12
HP = { 13, 14, 15, ... }


3x + 27 < 5x + 9
       -2x < -18
          x > 9
HP = { 10, 11, 12, ... }

Answer 2

9a - 22 > 2a + 62 ,= 9a - 2a > 62 + 22 , = 7a > 84 , = a > 12, hp { 13 , 14, 15 .....,......}, 3x +27 < 5x +9 ,= 3x - 5x < 9 - 27 = -2x < - 18 = x > 9 , hp { 10, 11, 12 , 13, ....}