Question

simplify. 4x + 3x

Explanation:

Step1: Combine like - terms

Since both $4x$ and $3x$ have the same variable $x$, we add their coefficients.
$4x+3x=(4 + 3)x$

Step2: Calculate the sum of coefficients

$4+3 = 7$
So, $(4 + 3)x=7x$

Answer:

$7x$