Răspunsuri

2014-10-06T16:45:40+03:00
Daca a=4b+5 inlocuim a cu 4b+5
(4b+5)-b=32
3b+5=32
3b=32-5
3b=27
b=27:3
b=9
a=9X4+5
a=36+5
a=41
41-9=32
41:9=4 , rest 5, deci exercitiul este rezolvat corect
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2014-10-06T20:00:21+03:00
Daca a=4b+5 inlocuim a cu 4b+5\
(4b+5)-b=32
3b+5=32
3b=32-5
3b=27
b=27:3
b=9
a=9X4+5
a=36+5
a=41
41-9=32 
41:9=4 , rest 5