SOLUTION: x-4y=-7 7x-5y=20

Algebra ->  Systems-of-equations -> SOLUTION: x-4y=-7 7x-5y=20      Log On


   



Question 252081: x-4y=-7 7x-5y=20
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
Solved by pluggable solver: Linear System solver (using determinant)
Solve:
+system%28+%0D%0A++++1%5Cx+%2B+-4%5Cy+=+-7%2C%0D%0A++++7%5Cx+%2B+-5%5Cy+=+20+%29%0D%0A++

Any system of equations:


has solution

or



(x=5, y=3}