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Matematika Sekolah Menengah Pertama Q.


9c - 7n + 3 - 8n + 4

mksd sy kurang poin nya ;__;​

Q.


9c - 7n + 3 - 8n + 4

mksd sy kurang poin nya ;__;​

Jawaban:

9c - 7n + 3 - 8n + 4

=9c - (7n - 8n) + (3 + 4)

=9c -(-1n) + 7

=9c + 1n + 7

maaf klo slh , klo slh laporin aja

Jwbn :

9c - 7n + 3 - 8n + 4 =

= 9c - (7n + 8n) + (3 + 4)

= 9c - (7 + 8)n + 7

= 9c - 15n + 7