himpunan penyelesaian dari pertidaksamaan 2(x-1) + 3x < x -10, x € R

2(x - 1) + 3x < x - 10
=> 2x - 2 + 3x < x - 10
=> 5x - 2 < x - 10
=> 5x - x < -10 - 2
=> 4x < -12
=> x < -12 / 4
=> x < -3

2(x-1)+3x<x-10
=>>2x-2+3x<x-10
=>>5x-2<x-10
=>>5x-x<-10+2
=>>4x<-8
=>>x=-2

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