Respuesta :
Answer:
Simplified Expression: 14n - 29
Work
2n-9-5(-2.4n+4)
2n-9+12n-20
14n-9-20
12n-29
14n - 29
The difference as in the expression is; 14n - 29
To determine the difference;
We must first open the second parenthesis by multiplying through by its coefficient as follows;
- 5(−2.4n+4) = -12n +20.
Afterwards; we have;
- (2n−9)−(-12n +20)
- = 2n -9 + 12n -20
= 14n - 29
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