3 years ago

7 - 5n = 6 + 6(n + 2)

Mathematics

1 answer:

postnew [5]3 years ago

4 0

7- 5n=6+6(n+2)
7- 5n=6+6n+12
7 -5n=18+6n
5n-6n=18-7
-11n=11
n=-1

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