Răspunsuri

2014-04-25T15:11:57+03:00
A) 10-m(5+3)=35m+12
10-8m=35m+12
10-12=35m+8m
-2=43m
m=-2/43
b)-9+4(3m-1)=18+2-7(m+2)
-9+12m-4=18+2-7m-14
19m=13+20-14
19m=19
m=1
c) (3m-3)(-1)-2(2m-1)(-5)=-21-9m-5
-3m+3+20m-10=-26-9m
17m+9m=7-26
26m=-21
m=-21/26
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2014-04-25T15:23:15+03:00