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Which expression is equivalent to 
2.5 n-9.9+8.8 n+2.8?

-6.3 n-7.1

11.3 n-7.1

-6.3 n-12.7

-7.4 n+11.6

Which expression is equivalent to 2.5n9.9+8.8n+2.8? 2.5 n-9.9+8.8 n+2.8 ? \newline6.3n7.1 -6.3 n-7.1 \newline11.3n7.1 11.3 n-7.1 \newline6.3n12.7 -6.3 n-12.7 \newline7.4n+11.6 -7.4 n+11.6

Full solution

Q. Which expression is equivalent to 2.5n9.9+8.8n+2.8? 2.5 n-9.9+8.8 n+2.8 ? \newline6.3n7.1 -6.3 n-7.1 \newline11.3n7.1 11.3 n-7.1 \newline6.3n12.7 -6.3 n-12.7 \newline7.4n+11.6 -7.4 n+11.6
  1. Combine like terms: Combine like terms by adding the coefficients of nn together and the constant terms together.2.5n+8.8n=11.3n2.5n + 8.8n = 11.3n9.9+2.8=7.1-9.9 + 2.8 = -7.1So, the expression simplifies to 11.3n7.111.3n - 7.1.

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