Respuesta:
56
Explicación paso a paso:
5.11+×:7=63
55+x/7=63
x/7=63-55
x/7=8
x=8*7
x=56
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Respuesta:
56
Explicación paso a paso:
5.11+×:7=63
55+x/7=63
x/7=63-55
x/7=8
x=8*7
x=56