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3x = -2
3x/3 = -2/3
x = -2/3
2x - 2 - x + 2 = x + 8 - x + 2
x = 10
6x + 12 = 3x + 6
6x + 12 - 3x - 12 = 3x + 6 - 3x - 12
3x = - 6
x = -2
3x = 3-5
3x=-2
x=-2/3
x=-0,66
2.)2x-2=x+8
2x-x-8-2=0
x-10=0
x=10
3.)2(3x+6)=3(x+2)
6x+12=3x+6
6x-3x=6-12
3x=-6
x=-6/3
x=-2