SOLUTION: Solve the system of linear equation using matrices x+y=1 x-7y=17 I wanted to double chek it but i got (3,-2) is it right? if not please correct me.

SOLUTION: Solve the system of linear equation using matrices x+y=1 x-7y=17 I wanted to double chek it but i got (3,-2) is it right? if not please correct me.

Algebra.Com

Question 412065: Solve the system of linear equation using matrices
x+y=1
x-7y=17

I wanted to double chek it but i got (3,-2) is it right? if not please correct me.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
If you sub for x and y, you'll find that it's correct.
---------
x+y=1
3 - 2 = 1
------------
x-7y=17
3 - 7(-2) = 17

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