SOLUTION: Solve this system using elimination : 2x=5y 3y+x=-11
Any and all help will be highly appreciated.
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Question 443289: Solve this system using elimination : 2x=5y 3y+x=-11
Any and all help will be highly appreciated.
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Solve this system using elimination :
2x = 5y
3y + x = -11
Rewrite the equations to:
2x - 5y = 0
x + 3y = -11
:
multiply the 2nd equation by -2, results:
+2x - 5y = 0
-2x - 6y = 22
----------------addition eliminates x, find y
0 + -11y = 22
y =
y = -2
:
Find x using the 1st equation
2x - 5(-2) = 0
2x + 10 = 0
2x = -10
x =
x = -5
:
:
Check solutions in the 1st original equation
3y + x = -11
3(-2) - 5 = -11
-6 - 5 = -11; confirms our solutions of x=-5, y=-2
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