2 years ago

Solve this system of equations using the Substitution method. 3x + y = -2 y = 2x + 3

Mathematics

1 answer:

alukav5142 [94]2 years ago

6 0

Answer:

Step-by-step explanation:

we see that y = -3x-3

substitute that into the other equation to get

-3x-3 = 2x+7

-5x = 10

x = -2

so, y = -3(-2)-3 = 3

check to make sure (-2,3) solves both equations.

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