Explicación paso a paso:
3+2x/4 = -2-2x/6. cd 12
9+6x = -4-4x
6x+4x=-4-9
10x = -13
x=-13/10
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Explicación paso a paso:
3+2x/4 = -2-2x/6. cd 12
9+6x = -4-4x
6x+4x=-4-9
10x = -13
x=-13/10