X=12 that's is the answers
I is the right one because it is a half and they both look the same
For the equation to work, you have to have the same number on both sides of the equal sign
so to find ?, you can do:
13 - 2 = 12 - ? Simplify
11 = 12 - ? Subtract 12 on both sides
-1 = - ? Multiply -1 on both sides
1 = ?
Answer:
A=(21/5,-22/5) B=(5,-6)
Step-by-step explanation: