SOLUTION: Solve the system by elimination. If the system is inconsistent or has dependent equations, say so. -7x + 5y = -20 -3x - 2y = 8

Algebra ->  Equations -> SOLUTION: Solve the system by elimination. If the system is inconsistent or has dependent equations, say so. -7x + 5y = -20 -3x - 2y = 8       Log On


   

Question 40822: Solve the system by elimination. If the system is inconsistent or has dependent equations, say so.
-7x + 5y = -20
-3x - 2y = 8
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
From
-7x + 5y = -20
-3x - 2y = 8
let's multiply the top one by 2 and the bottom one by five...then add them...we get
-14x + 10y = -40
-15x - 10y = 40
now add them to get
-29x = 0 and
x = 0
then
y = -4
Solution is (0, -4)