annessa
annessa
10-06-2015
Mathematics
Answered
solve this 6r+7=13+7r
Answer :
WorldCitizen
WorldCitizen
10-06-2015
let's move all to one side:
6r+7-13-7r=0
and re-arrange to have similar terms together:
6r-7r +7-13=0
let's add up what we can:
-1r-6=0
we can move the -6 to the other side and multiply both sides by -1 and we get:
r=-6 This is the
solution.
Answer Link
Panoyin
Panoyin
10-06-2015
6r + 7 = 13 + 7r
- 6r - 6r
7 = 13 + r
- 13 - 13
-6 = r
Answer Link
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