Question

Solve x + 2y = 10
-2x – 4y = 24
5x + 5y + 5z = 15

Answer 1

Infinite number of solutions

no solutions

(2, 4, -3)

(0, -6, 9)

Answer 2

multiply the top equation by 2 and add it to the middle equation.

Answer 3

Its either you use the elimination method or substitution method to solve for x & y using the 1st and 2nd equation. Then substitute these values in the third equation and check whether these values satisfy the equation.

Answer 4

I believe it has no solutions

Answer 5

yeah ;) got the same solution -i mean solution which is no solution lol

Answer 6

Thanks :) I have one more like this I am going to post. I have an answer, I just need it checked

Answer 7

alright. just tag me if you want