Answer:
-14
Step-by-step explanation:
The sum (addition) of the three numbers would be -14 because -12+-5 is -17. Then, -17+3 would be -14.
Answer:
Step-by-step explanation:
380
Step-by-step explanation:
I hope u got ur answer ;)
if u have any more doubt ask me
The answers are x=7 or x=-2

<u>+</u>

/2
x=5 <u>+</u>

/2
x=5 <u>+</u>

/2
x=5 <u>+</u>

/2
x=5 +

/2.....x=7
or
x=5 -

/2....x=-2