Hola! :3
Resolvemos:
3(x+31)=72
x+31=72/3
x+31=24
x=24-31
x= -7
El número es -7
Espero haberte ayudado :D
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Hola! :3
Resolvemos:
3(x+31)=72
x+31=72/3
x+31=24
x=24-31
x= -7
El número es -7
Espero haberte ayudado :D