14-03-2016
Mathematics

contestada

what is 6r+7=13+7r ?

Respuesta :

Аноним Аноним

14-03-2016

6r+7=13+7r
1r+7=13
1r=6
(1r/1)=(6/1)
r=6

Answer Link

garydesir1 garydesir1

14-03-2016

6r+7=13+7r

Simplify both sides of the equation

6r+7=7r+13

Subtract 7r from both sides

6r+7-7r=7r+13-7r

-r+7=13

Subtract 7 from both sides

-r+7-7=13-7

-r=6

Divide both sides by -1

-r/-1=6/-1

r=-6

Answer : r=-6

I hope that's help !

Answer Link

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