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Best Answer
3x - 2 + x = 42
3x + x - 2 = 42 (add alike terms)
4x - 2 + 2 = 42 + 2 (in order to leave the term with tha variable alone, we add 2 to both sides)
4x = 44
4x/4 = 44/4 (divide by 4 to both sides to leave the variable alone)
x = 11
Thus, for x = 11 the given equation is true.
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