Hola! :3
Resolvemos:
x-3(-6)= -13
x+18= -13
x= -13-18
x= -31
El número es -31
Espero haberte ayudado :D
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Hola! :3
Resolvemos:
x-3(-6)= -13
x+18= -13
x= -13-18
x= -31
El número es -31
Espero haberte ayudado :D