Odpowiedzi

2010-03-28T13:22:19+02:00
A) (8y-4)/4=4(2y-1)/1

b) -10a+15/5 12a-18/6= -2a+3*2a-3=2a*3(-1+1)


c) (14x-21)/7 - (64-16x)/8=2x-3-8-2x=-11
1 5 1