Найдите корень 3(n-3)+22=28

Question

Найдите корень 3(n-3)+22=28

Comments

3 ( n-3) + 22 = 28

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спс

Answer 1

3(n-3)=28-22
3(n-3)=6
n-3=2
n=2+3 =5

Answer 2

3n-9+22-28=0
3n-15=0
3n=15
n=5