Identify Like Terms: Identify like terms in the expression 8x + 4x. Both terms have the variable x, so they are like terms and can be combined.Combine Like Terms: Combine the like terms by adding their coefficients. The coefficient of the first term is 8, and the coefficient of the second term is 4. 8 + 4 = 12Write Combined Term: Write the combined like terms as a single term with the variable x. The combined coefficient is 12, so the simplified expression is 12x.

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$8 x+4 x$

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8 x+4 x

Identify Like Terms: Identify like terms in the expression $8x + 4x$ . Both terms have the variable $x$ , so they are like terms and can be combined.
Combine Like Terms: Combine the like terms by adding their coefficients. $\newline$ The coefficient of the first term is $8$ , and the coefficient of the second term is $4$ . $\newline$ $8 + 4 = 12$
Write Combined Term: Write the combined like terms as a single term with the variable $x$ . The combined coefficient is $12$ , so the simplified expression is $12x$ .