The reason for adding the values x and plus two to both sides of the equation is so as to obtain the solution of the equation to be; x = 2.
What is the solution of the equation given in the task content?
It follows from the task content that the equation give in the task content is;
x - 2= -x + 2
Hence, it follows that upon adding x and plus two to both sides of the equation, it renders -x cancelled on one side and renders -2 cancelled on the other side as follows;
x - 2 + x +2 = -x + 2 +x +2
2x = 4.
x = 4/2
x = 2.
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