Respuesta:
=
x+3
12.5
10x+30=12.5x−25
55=2.5x
22=x
nr= x-2=22-2=20
tr=x+3=22+3=25
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Respuesta:
=
x+3
12.5
10x+30=12.5x−25
55=2.5x
22=x
nr= x-2=22-2=20
tr=x+3=22+3=25