Answer:
8
Step-by-step explanation:
+2-(-6)=2+6
the two negatives cancel each other out
2+6=8
x<40
x+10<50
x+10-10<50-10
EF=BC (by CPCT) if both Triangle are ~
.
x = 36 is not a solution
3x<100
Let x = 36
3*36 < 100
108 < 100
This is not true so x = 36 is not a solution