October 2018 1 38 Report
Resuelve estas ecuaciones.

a) 2 x + 21 = 3 x + 6

b) 12(x-2)= 1 - x

c) x + 5x - 4 = 18 -2x

resuelve:

a) 6(7-x)=8(6-x)

b) -8 ( 10 - x) = - 6

c) (x + 2) . 3 = (13-x) . 4+3

d) 3 ( 1 - 2x) + 12 =10 -2 (x-3)

(Ayuda Porfa)

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