Question

ayuden xdxd (-7)-(-2)+(-8)-(-4)

Answer 1

Operacion 
(-7)-(-2)+(-8)-(-4)
-7+2-8+4
=-7+2= -5
-5-8= -13
-13 +4= -9
= -9 
espero que te sirva

Answer 2

(-7)-(-2)= -5

(-8)-(-4)= -4

(-5) + (-4)= -9