Resuelve la siguiente ecuacion a)1-3×=2×-9 b)3×+4-×=7-4× c)2×-1=3(×+2)-5× d)3×+1=×-2
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A.-3x-2x=-1-9
-5x=-10
x=-10/-5
x=2
B.
3x-x+4=7-4
8x=3
x=8/3
C.
2x-1=3x+6
2x-3x=6+1
-1x=7
x=7/-1
x=-7
D.
3x-x=-2-1
4x=-3
x=-3/4