True, 2x+3y -5 the coefficient of y is 3, -4y +3, there are two terms in this expression, 7x2 +2x -3 the variable of expression is x, False, x-2y+3 the coefficient of y in this expression is 2, x-3y+4 there are 2 terms in this expression, y +2 the variable is x in this expression

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