Giving 40 points

Solve each system by substitution

Step-by-step explanation:

From equation ( i ) :

-4x - y = 19

-y = 19 + 4x

-y = - ( -19 - 4x )

y = -4x - 19 ------ Equation ( iii )

Substituting the value of y from equation ( iii ) in equation ( ii ) , we get :

⇾

⇾

⇾

⇾

⇾

⇾

Substituting the value of x in equation ( i ) , we get :

⇾

⇾

⇾

⇾

⇾

The possible solution of the system is ordered pair ( x , y ) = ( -5 , 1 ) .

Hope I helped ! ツ

Have a wonderful day / night ! ♡

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only 10/60 isn't equivalent

hope this : )

a variable is any characteristics, number, or quantity that can be measured or counted. a variable may also be called a data item. hope i !