Answer:
x=-2.7
Step-by-step explanation:
x−5.5=−8.2
Step 1: Add 5.5 to both sides.
x−5.5+5.5=−8.2+5.5
x=−2.7
Answer:x= -2.7
+5.5 on both sides
-8.2+5.5
= -2.7
i think you multiple the measure
child tickets sold= 215 adult tickets sold= 570
