SOLUTION: Find the solution to the system of equation below
4x + 7y = -1
x + y = 5
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Question 858151: Find the solution to the system of equation below
4x + 7y = -1
x + y = 5
Answer by ben720(159) (Show Source): You can put this solution on YOUR website!
multiply both sides of x+y=5 by four to get:
Subtract that from the first like so:
-
_______________
Divide both sides by 3:
Plug that in to the second equation:
Add 7 to both sides:
Your answers are X=12 and Y=-7
To check, plug both into the first equation:
Success!
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