Question

question
find an expression which represents the sum of $(7x - y)$ and $(5x + 3y)$ in simplest terms.

Explanation:

Step1: Write the sum expression

$(7x - y) + (5x + 3y)$

Step2: Group like terms

$(7x + 5x) + (-y + 3y)$

Step3: Combine like terms

$12x + 2y$

Answer:

$12x + 2y$