Question

6x > 3x -9 = ...
5x -3 < 7x + 9 = ...
5(x - 2) ≤ 6x + 10 =...
19 - 3x < 2x - 5 = ...
6x -2x > 3x -12 = ...
3x -3 <7x =13 =...
5(2x - 2) ≤ 12x -10 =...

ditunngu jawabannya sampai 9 malam ini

Answer 1

6x > 3x -9 6x - 3x > -9
3x > -9  ( ingat!! suatu pertidaksamaan akan berubah tanda mjdi kebalikannya jk dikali atau dibagi dg bil negatif)
x < -3

5x -3 < 7x + 9
5x - 7x < 9 + 3
-2x < 12
x > -6

5(x - 2) ≤ 6x + 10
10x - 10 ≤ 6x + 10
10x - 6x ≤ 10 + 10
4x ≤ 20
x ≤ 5

19 - 3x < 2x - 5
-3x - 2x < -5 - 19
-5x < -24
x > 24/5

sisanya coba dikerjakan sendiri yaa.. ^_^
6x -2x > 3x -12 = ...
3x -3 <7x =13 =...
5(2x - 2) ≤ 12x -10 =..

Answer 2

1).6x>3x-9=6x-3x>-9=3x>-9
x>-9/3=-3
2).5x-3<7x+9
-9-3<7x-5x
-12<2x
-12/2<x
-6<x

3).5(x-2)<=6x+10
5x-10<=6x+10
-10-10<=6x-5x
-20<=x

4). 19-3x<2x-5
19+5<2x+3x
24<5x
24/5<x

5).3x-3<7x+13
-13-3<7x-3x
-16<4x
-16/4<x
-4<x

6).5(2x-2)<=12x-10
10x-10<=12x-10
+10-10<=12x-10x
0<2x
0/2<x
0<x

Semoga membantu