Respuesta:
7x-5= x+73
7x-x= 73+5
6x= 78
x= 78/6
x= 13
7x-5= 7.13-5= 91-5= 86
x+73= 13+73= 86
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Respuesta:
7x-5= x+73
7x-x= 73+5
6x= 78
x= 78/6
x= 13
7x-5= 7.13-5= 91-5= 86
x+73= 13+73= 86