Sgracenluv
Sgracenluv
20-04-2017
Mathematics
contestada
-7+3n=-7-3n solution
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MuSiCisLiFe0930
MuSiCisLiFe0930
20-04-2017
n = 0
-7 + 3n = -7 - 3n
-7 + 6n = -7
6n = 0
n = 0
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CeciliaHampton
CeciliaHampton
20-04-2017
I believe it would be 0 because +3n and -3n cancel each other out leaving -7=-7. To get all numbers on one side, you have to add 7 to both sides, leaving you 0.
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