Réponses

2013-05-16T18:52:04+02:00

a) 5x+25 = 5(2+5)

 

b) -8x+32 = 8(-x+4)

 

c) 6x+3 = 3(2x+1)

 

d) 14x-7 = 7(2x-1)

 

e) 10x+15 = 5(2x+3)

 

f) 16-12x = 2(8-6x)