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Tanya [424]
2 years ago
7

Simplify the expression. (9n+4) −(−12n −7)

Mathematics
1 answer:
e-lub [12.9K]2 years ago
3 0

Hi,

(9n + 4) - (-12n - 7)

9n + 4 + 12n + 7

<em>=</em><em> </em> 21n + 11

✅(◠‿◕)

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