November 2018 1 7 Report
Ayuda por favor es para mañana!

a) x + 3 (x - 3) = 3x + 2 + 2x

b) 12 + 2 x + 2 - ( x - 3 ) = 10x -( 2x + 7x + 1)

c) (x + 1) -x - 1 ) = [(x + 1) +] - (2x + 2)

d) ( 2 + x)- 3x - 2 - ( 10x + 1 )=3x + 3

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