Question

a+b=561
a:b=6 rest 8
A=?
B=?

Answer 1

a+b=561
a/b=6 rest 8 rezulta ca a=6b+8
6b+8+b=561
7b=561-8=553
b=553/7
b=79
a+79=561
a=482

Answer 2

a+b=561;
a=6b+8;
⇒6b+8+b=561
⇒7b=553
⇒b=79;
⇒a=6·79+8
⇒a=474+8
⇒a=482;