## Elementary Algebra

$-x-15$
After using the distributive property, we group like terms to ease simplification. We then combine like terms to simplify the expression: $-x+4(x-1)-3(x+2)-(x+5)$ =$-x+4x-4-3x-6-x-5$ =$-x+4x-3x-x-4-6-5$ =$(-x+4x-3x-x)+(-4-6-5)$ =$(-x)+(-15)$ =$-x-15$