Jawaban:
D. {-7,-6,-5,-4,....}
Penjelasan dengan langkah-langkah:
2(4x + 5) - 20 < 10x + 6
8x + 10 - 20 < 10x + 6
8x - 10 < 10x + 6
8x - 10x < 6 + 10
-2x < 16
x > 16/-2
x > -8
HP = {-7,-6,-5,-4,....}
2(4x + 5) < 10x + 6 + 20
2(4x + 5) < 10x + 26
4x + 5 < (10x + 26)/ 2
4x + 5 < 5x + 13
4x - 5x < 13 - 5
-x < 8
HP = { -7, -6, -5, -4, ... }
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Jawaban:
D. {-7,-6,-5,-4,....}
Penjelasan dengan langkah-langkah:
2(4x + 5) - 20 < 10x + 6
8x + 10 - 20 < 10x + 6
8x - 10 < 10x + 6
8x - 10x < 6 + 10
-2x < 16
x > 16/-2
x > -8
HP = {-7,-6,-5,-4,....}
2(4x + 5) - 20 < 10x + 6
2(4x + 5) < 10x + 6 + 20
2(4x + 5) < 10x + 26
4x + 5 < (10x + 26)/ 2
4x + 5 < 5x + 13
4x - 5x < 13 - 5
-x < 8
x > -8
HP = { -7, -6, -5, -4, ... }