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Reduceti termenii asemenea:

a) 2x+3y-5x-8y
b)15x-3y-40x+8y
c)41x-12y-15x+7y
d)13a+6b-15a-7a+9b-12b+a
e)8x-3y+5z-12x+6y-9z-10x+6y+8z+30x-25y+20z
f)2a+3b-4c+4a-8b+2c-8a+7b+5c


Răspuns :

a) -3x-5y

b) -25x+5y= 5(-5x+y)

c) 26x-5y

d) -2a-6a+15b-12b= -8a+2b

e) -14x+30x+9y-25y+24z=
= 16x-16y+24z =
= 16(x-y)+24z

f) -2a+2b+3c=
=2(-a+b)+3c

Sper că te-am ajutat!