Respuesta:
6x+2x =8
8x=8
x=8/8
x=1
2x-7x=5
-5x=5
x=5/-5
x=-1
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Respuesta:
6x+2x =8
8x=8
x=8/8
x=1
2x-7x=5
-5x=5
x=5/-5
x=-1