2. escribir v si la afirmación es verdadera o f si es falsa. justifica tu respuesta
a. ( ) al resolver el siguiente sistema de ecuaciones por el método de igualación, primero se encuentra el valor de la variable . { −5 = 10 + = −10
respuesta:

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.