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jawab
2x-7<4x-2
2x<4x+5 (menambah 7 kedua ruas)
-2x<5 (menambah -4x kedua ruas)
x>-5/2 (mengalikan -1/2 kedua ruas)
himpunan penyelesaian( x £ Rlx > -5/2 )