How do you simplify the expression $3 x - x + 4$ $3x-x+4$ ?

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Answer 1 · 2014-10-01T05:50:49

While simplifying the expression add the like terms

$(3 x - x)$ $(3x -x)$ +4

adding 3x and -x we get 2x

2x +4 , 4 cannot be added to 2x as they are not like terms.

How do you simplify the expression 3x-x+43x−x+43x-x+4?