Question

these tiles represent the expression 5x + 4x + 1. which expression is equivalent to 5x + 4x + 1? 9x + 5, 10x, 5x + 5, 9x + 1

Explanation:

Step1: Combine like terms (x terms)

$5x + 4x = (5+4)x = 9x$

Step2: Keep the constant term

$9x + 1$

Answer:

9x + 1