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solong [7]
3 years ago
13

2n+7+7n=13+3n+8n please help

Mathematics
2 answers:
ICE Princess25 [194]3 years ago
6 0

2n+7+7n=13+11n

7+9n=13+11n

9n-11n=13-7

-2=6

-2/-2  6/-2

-3        

By the way that( / )means division lol

Rasek [7]3 years ago
3 0

first combine like terms so 2n + 7n which is 9n


so 9n + 7 = 13 + 3n + 8n


then combine on other side so 9n + 7 = 13 + 11n

then subtract 7 to 13 so 6

sp 9n + 6 = 11n

then subtract 9 to the other side so 2n


6 = 2n then divide all by 2

n= 3

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