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Simplify the expression: $\newline$ $8u - 9u + 2u$

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Add and subtract linear expressions

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Q. Simplify the expression:

\newline

8u - 9u + 2u

Identify Like Terms: Identify like terms in the expression $8u - 9u + 2u$ . Like terms are terms that contain the same variable raised to the same power. In this case, all terms are like terms because they all contain the variable $u$ raised to the first power.
Combine Like Terms: Combine the like terms by adding or subtracting the coefficients. $\newline$ $8u - 9u + 2u$ $\newline$ = $(8 - 9 + 2)u$ $\newline$ = $(8 - 9)u + 2u$ $\newline$ = $-1u + 2u$
Continue Combining Like Terms: Continue combining like terms. $\newline$ $-1u + 2u$ $\newline$ $= 1u$

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