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Bas_tet [7]
2 years ago
8

Sole the equation 6n + 9 = -3n - 21 - 6 for n

Mathematics
2 answers:
lesya692 [45]2 years ago
4 0
N is -4
6n + 9 =  - 3n - 21 - 6 \\ 9n =  - 36 \\ n =  \frac{ - 36}{9}  =  - 4



good luck
Anna71 [15]2 years ago
3 0

Answer:

n=-4

Step-by-step explanation:

6n + 9 = -3n - 21 - 6

Add 3n to each side

6n+3n + 9 = -3n+3n - 21 - 6

9n+9 = -27

Subtract 9 from each side

9n+9-9 = -27-9

9n = -36

Divide each side by 9

9n/9 = -36/9

n = -4

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