01) Faça a redução dos termos semelhantes.

a)4x-6y+8x-10x+2y-x =
b)5x+8y-9x+16y-4x =
c)x-7x+10y+3x =
d)4ab-5x+4x-8ab =

02) Calcule.

a)6x+(3x-6x-8x)
b)9a+12a-20a+15a
c)12a+24a-14a
d)5x-(4x- "X sobre 2 X/2")

PFVR ME AJUDEM!!!

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