Question

Which expression must be added to 3x−7 to equal 0?

Answer 1

put 0 in x value such that

3(0)-7

0-7

Answer 2

Solution:

Let m is added to (3x-7) to

equal 0

=> 3x-7+m =0

=> m = 7-3x

Therefore,

The expression which should be added is (7-3x)

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