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Solve this system.

 

 Aug 7, 2020
 #1
avatar+28021 
+1

The second equation tells you the value of 'x' in terms of 'y'

 

Use this 'x' in the first equation:     13 (y+6) - 6y = 22     solve for 'y'

    then use this value of 'y' in one of the equations (the second is the easiest) to find the coresponding value of 'x'     Done !

 Aug 7, 2020
 #2
avatar+169 
+1

substitute

13(y+6)-6y=22

expand

13y+78-6y=22

isolate

13y-6y=22-78

combine

divide

done.

but you do it yourself

 Aug 8, 2020

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