Respuesta :

-4x-52 + 3x= 80
-1x-52=80
-1x=132
x=-132
-4(x+13) + 3x = 80
expand by using distributive property
-4x - 52 + 3x = 80
combine like terms
-x - 52 = 80
add 52 on both sides
-x = 132
multiply (-1) to both sides
x = -132

Answer
x = -132