Răspuns :
a-b=7
a=7+b
(a+b):(a-b)=8 rest 5
(2b+7):7=8 rest 5
2b+7=56 rest 5
2b=49 rest 5
b=49+5/2
b=27
a=34
Răspuns:
a-b=7=>a=b+7
(a+b):(a-b)=8 rest 5=>a+b=8(a-b)+5
b+7+b=8(b+7-b)+5
2b+7=56+5
2b=61-7
b=54:2=>b=27
a=27+7=>a=34
a-b=7
a=7+b
(a+b):(a-b)=8 rest 5
(2b+7):7=8 rest 5
2b+7=56 rest 5
2b=49 rest 5
b=49+5/2
b=27
a=34
Răspuns:
a-b=7=>a=b+7
(a+b):(a-b)=8 rest 5=>a+b=8(a-b)+5
b+7+b=8(b+7-b)+5
2b+7=56+5
2b=61-7
b=54:2=>b=27
a=27+7=>a=34