Y= x + 2 2x - y = -4 solve the system of equations using substitution. a) (-2,-4) b) (-2,0) c) (-6,-4) d) (-6,8)

For this case we must solve the following system of equations:

So, we substitute the first equation in the second one:

We consider by law of signs of multiplication that:

Different signs are subtracted and the sign of the major is placed:

We look for the value of the variable "y":

Thus, the solution of the system is given by:

Option B

domain is all the x values included in the

0 ≤ x ≤ 2

range is all the y values of the graph

-2 ≤ y ≤ 2

***keep in mind that there are different ways to show domain and range

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