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6x-3+5x=2-(4x-1+2x)
11x-3=2-6x+1
11x+6x=3+3
17x=6
x=⁶/₁₇
x(x+1)-(x²+1)<2(-x+3)
x²+x-x²-1<-2x+6
x+2x<6+1
3x<7
x<⁷/₃
x<2⅓
6x-3+5x=2-(4x-1+2x)
11x-3=2-4x+1-2x
11x+4x+2x=3+3
17x=6/17
x=6/17
b) x ( x + 1) - ( x² + 1) < 2 ( -x + 3)
x²+x-x²-1<-2x+6
3x<7/:3
x<7/3