tolong di jawab yaaaa!!!!!
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[tex]\tt \dfrac{7(x+4) - 4(3x-9)}{28} < \dfrac{1}{2} [/tex]
[tex]\tt \dfrac{7x+28-12x+36}{28} < \dfrac{1}{2} [/tex]
[tex]\tt \dfrac{-5x+64}{28} < \dfrac{1}{2} [/tex]
[tex]\tt 2(-5x+64) < 28 [/tex]
[tex]\tt -10x+128 < 28 [/tex]
[tex]\tt -10x < -100 [/tex]
[tex]\tt 10x > 100 [/tex]
[tex]\tt x > 10 [/tex]
https://id-static.z-dn.net/files/d1b/5b11b2e12f9faba341ba5005b8a49a38.jpg [answer.2.content]
