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1 vote
Please I need a answer fast

Please I need a answer fast-example-1
User Purvis
by
7.7k points

1 Answer

2 votes

solution

X + k

X - 2k

=X+k-x-2k

=x-x+k-x-2k

=0-k

=-k

or,

1

k

User Jacek Koralik
by
7.7k points