Simplify the expression shown.3x + 2 – 3x + 7 +5xWhat is the coefficient in the simplified expression?

Combine the like terms: the x-terms are 3x − 3x + 5x = 5x, and the constants are 2 + 7 = 9. The simplified expression is 5x + 9, so the coefficient of x is 5; the correct choice is 5.

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