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Reduceti termenii asemenea:

b)6a+4a-12a=
c)5x+11x-12x+7x=


Răspuns :

b) 6a+4a-12a=10a-12a=-2a
c) 5x+11x-12x+7x=16x-5x=11x
b)6a+4a-12a=-2a
c)5x+11x-12x+7x=11x