1. 4x-8=2(2-x) 2. 9<2x+5 3. 4x-8<4(2-x) 4. 8+2x<12+6x
Matematika
AdeFadila
Pertanyaan
1. 4x-8=2(2-x)
2. 9<2x+5
3. 4x-8<4(2-x)
4. 8+2x<12+6x
2. 9<2x+5
3. 4x-8<4(2-x)
4. 8+2x<12+6x
1 Jawaban
-
1. Jawaban PV1507
1.) 4x - 8 = 2(2-x)
4x - 8 = 4 - 2x
4x + 2x = 4+8
6x = 12
x = 2
2.) 9 < 2x + 5
-2x < 5-9
-2x < -4
x > 2
3.) 4x -8 < 4(2-x)
4x -8 < 8 -4x
4x + 4x < 8+8
8x < 16
x < 2
4.) 8 + 2x < 12 + 6x
2x -6x < 12 - 8
-4x < 4
x > 1