2 years ago

Find the solution of the system of equations. 3x+y=-15 3x+2y=-18

Mathematics

1 answer:

s344n2d4d5 [400]2 years ago

8 0

Answer:

(x, y) ==> (-4, -3)

Step-by-step explanation:

-2(3x + y = -15) ==> -6x - 2y = 30

3x + 2y = -18

-6x - 2y = 30

3x + 2y = -18

-3x = 12

/-3 /-3

x = -4

Now, we solve for y:

-6x - 2y = 30

-6(-4) - 2y = 30

24 - 2y = 30

-24 -24

-2y = 6

/-2 /-3

y = -3

(x, y) ==> (-4, -3)

Hope this helps!

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