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2x+ 7+ 3x
4x+5+2
1x+x+11


Odpowiedź :

[tex]1. \ \ \ \ 2x+ 7+ 3x = \boxed{5x+7}\\\\2. \ \ \ \ 4x+5+2 = \boxed{4x+7}\\\\3. \ \ \ \ x+x+11 = \boxed{2x+11}[/tex]

=5x+7
=4x+7
=2x+11

Pisze bo musi być 20 znaków jdjwkzbeixbeuxbshsnwzj