Simplify the following expressions, then evaluate:AppendixLO1 a. 3x-x+2+x-5x-2, where x = 3 =3 b.-5y-7y+3+ y - 5y

Simplify the following expressions, then evaluate:AppendixLO1

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a. 3x-x+2+x-5x-2, where x = 3 =3 b.-5y-7y+3+ y - 5y +2, where y = -2 2 c. -4x + 6xy-6y+6x - 2xy + 3y, where x = 2 and y = 1 d. (y-2)(y-3)+2(y - 2), where y = 4