[tex]3x=-45\\x=-\frac{45}{3} \\x=-15[/tex]
3(-15)=-45
-45=-45
Respuesta:
b. -15
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[tex]3x=-45\\x=-\frac{45}{3} \\x=-15[/tex]
3(-15)=-45
-45=-45
Respuesta:
b. -15