Answer:
x= -8
Step-by-step explanation:
Add 13 to both sides.
-13+x= -21
+13 +13
This gives you, x= -8.
X=-8
rearrange
-13+x-(-21)=0
solve
13-21=-8
6.71
Hopefully this helps! :)
I think it's C. sjisebd ddhisuaja. usually get ebe.
