2022-02-04

How do you simplify $5x+4+9x$?

illustrationsamk

Since 5 and 9 have same variable x, you can add these two. But since 4 has no variable and is different from a term containing x, you cannot add it with other terms.
Therefore,
$=5x+4+9x$
$=14x+4$
You can even take a digit common. In this case 2 goes common for both terms so
Answer: $2\left(7x+2\right)$

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