Respuesta :
Answer:
20x + 100
Step-by-step explanation:
Add all of the x terms and then add all of the constant terms together.
See picture below.
Hope this helps :)

First, add all of the same terms together, and you will get 20x+100=0. Finally, solve for x doing the subtraction property of equality, so the new equation is 20x=-100 then, divide both sides by 20, and the final answer is X=-5