nilai mutlak 5x-7 > 2x+1
Matematika
salsa1677
Pertanyaan
nilai mutlak 5x-7 > 2x+1
1 Jawaban
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1. Jawaban jakarta2397
5x-7 < -(2x+1)
5x-7 < -2x-1
5x+2x < -1+7
7x < 6
x < 6/7
5x-7 > 2x+1
5x-2x > 1+7
3x > 8
x > 8/3
HP = { x| 6/7 > x > 8/3 }