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=2x-30<4x-8
= 2x-30 +30 < 4x - 8 + 30
= 2x < 4x - 38
=2x - 4x < 4x -4x - 38
= -2x < -38
x = -2/-38 = 19
2x-60 < 4x-8
2x-60+60 < 4x-8+60
2x < 4x+52
2x < 4x-4x+52
2x < 52
x < 26
jd hasilnya x<26
maaf klo salah