2 years ago

Please solve 21=5n-2(n-3)

Mathematics

2 answers:

Stella [2.4K]2 years ago

8 0

21 = 5n-2(n-3)

21 = 5n-2n+6

21-6 = 3n

n=15/3

n=5

grigory [225]2 years ago

3 0

5=n because you multiply -2 times n then -3 then you add -2n with 5n then subtract 6 from both sides and finally divide by 3

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