Jacqueline123456 Jacqueline123456

22-03-2021
Mathematics

contestada

−7x − 2y = −13
x − 2y = 11
use the substitution method to find x and y

Respuesta :

thefifthmartin thefifthmartin

22-03-2021

Answer:

x=3

y=−4

Step-by-step explanation:

Add 2y to both sides of the equation.

x=11+2y

−7x−2y=−13

Replace all occurrences of x with 11+2y in each equation.

−77−16y=−13

x=11+2y

and then you just connect the dots

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