T4800nyidn
Answered

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5n + 2n + 6 = 4n - 21

Sagot :

Meowmeow223334idn
Combine like terms
7n + 6 = 4n - 21
3n = -27
Divide by 3
n = -27/3 (u can simplify)
Irspowidn

5n+2n+6=4n-21 group like terms on left side

7n+6=4n-21subtract 6 from both sides

7n=4n-27 subtract 4n from both sides

3n=27 divide both sides by 3

n=9

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