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+1
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1
avatar+5 

-6x+5y=1

6x+4y=-10

 Nov 30, 2018
 #1
avatar+96302 
+1

-6x+5y = 1

6x+4y = -10

 

Just add these and we get

 

9y = -9   divide both sides by   9

 

y  = -1

 

Sub this into either equation to find x

 

6x + 4(-1) = - 10

6x - 4 = -10      add 4 to both sides

6x = - 6     divide both sides by 6

x = - 1

 

 

 

cool cool cool

 Nov 30, 2018

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