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4x-7=2-4x-1
4x+4x=7-1+2
8x=8/8
x=1
2x+1=3x-(4x+2)
2x+1=3x-4x-2
2x-3x+4x=-2-1
3x=-3/3
x=-1
5x+2(x-1)=(x+3)-2(x+4)
5x+2x-2=x+3-2x-8
5x+2x-x+2x=2-8+3
8x= -3/8
x= -0,375
2x+1=3x-3x-2
2x+1=-x+2
3x+3=0
x=-1