Răspuns :
a-b=177
a:b=6 rest 7=>a=6b+7
[tex] \left \{ {{a-b=177} \atop {a=6b+7}} \right. [/tex]
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6b+7-b=177
5b=177-7
5b=170
b=170:5
b=34
a=6*34+7=211
a:b=6 rest 7=>a=6b+7
[tex] \left \{ {{a-b=177} \atop {a=6b+7}} \right. [/tex]
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6b+7-b=177
5b=177-7
5b=170
b=170:5
b=34
a=6*34+7=211
x-y=177
x:y=6 rest 7 => x=6y + 7
6y + 7 - y = 177
5y= 170
y=34
x-34=177
x= 211
x:y=6 rest 7 => x=6y + 7
6y + 7 - y = 177
5y= 170
y=34
x-34=177
x= 211