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-4.9 x+4x

$-4.9 x+4 x$

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Multiply and divide decimals by powers of ten

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Q.

-4.9 x+4 x

Identify Like Terms: Identify like terms in the expression. $\newline$ The like terms in the expression are $-4.9x$ and $4x$ because they both have the variable $x$ .
Combine Like Terms: Combine the like terms by adding their coefficients. The coefficient of $-4.9x$ is $-4.9$ , and the coefficient of $4x$ is $4$ . To combine them, we add $-4.9$ and $4$ . $-4.9 + 4 = -0.9$
Write Combined Term: Write the combined like terms as a single term. $\newline$ Since the combined coefficient is $-0.9$ , the expression simplifies to $-0.9x$ .

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