Answer:
5
Step-by-step explanation:
-9 + x = -4
( move +x to right and -4 to left)
-9 +4= -x
[sign changes when number is moved]
-5= -x
[negative signs cancel out each other/ divide both sides by negative sign]
x = 5
x =5
x = -4 +9
x = 5 Answer
take the answer on picture which I attached with your question
4241.16 cubic meters of water
X=9
