Respuesta :

-r+6+8r-14
-r     -r
6+7r-14
+6     +6
7r-8
wilson15car
It is 7r-8 because you combine like terms


-r + 6+8r-14
You subtract r to 8r which is 7r

So now it is 7r + 6 - 14

Then you add 6 to -14 which is -8

And you get 7r -8

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