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Which expression is equivalent to
1.5 u-2.3+5.4 u+2.9?

7.5 u

6.9 u-5.2

6.9 u+0.6
7.5

Which expression is equivalent to $1.5 u-2.3+5.4 u+2.9 ?$ $\newline$ $7.5 u$ $\newline$ $6.9 u-5.2$ $\newline$ $6.9 u+0.6$ $\newline$ $7$ . $5$

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Reciprocals and multiplicative inverses

Full solution

Q. Which expression is equivalent to

1.5 u-2.3+5.4 u+2.9 ?

\newline

7.5 u

\newline

6.9 u-5.2

\newline

6.9 u+0.6

\newline

7

.

5

Combine like terms: Combine like terms, starting with the terms that contain the variable $u$ . $1.5u + 5.4u = 6.9u$
Combine constant terms: Now combine the constant terms. $-2.3 + 2.9 = 0.6$
Combine final expression: Combine the results from the previous steps to get the final expression. $6.9 u + 0.6$

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