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Verified answer
Nilai MutlakKelas X
|2x + 5| > 7
• 2x + 5 > 7
2x > 2
x > 1
• 2x + 5 < -7
2x < -12
x < -6
HP : {x | x > 1 atau x < -6 , x ∈ R}
-2x-5>7
-2x>7+5
-2x>12
x>-6
# 2x+5>7
2x>7-5
2x>2
x>1
hp{-6,1}