SOLUTION: Solve the system: x+6y=24 -6x+5y=-21
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Question 231215: Solve the system: x+6y=24 -6x+5y=-21
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
x+6y=24 multiply by 6 & add.
-6x+5y=-21
6x+36y=144
--------------
41y=123
y=123/41
y=3 ans.
x+6*3=24
x+18=24
x=24-18
x=6 ans.
Proof:
-6*6+5*3=-21
-36+15=-21
-21=-21
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