Question

Suma a doua numere naturale este 67 .Aflati cele doua numere stiind ca impartind unul la celalalt obtinem catul 5 si restul 7 .VREAU O REZOLVARE COMPLETA.

Answer 1

a+b=67
a:b=5 rest 7
a=5b+7
5b+7+b=67
6b=67-7
6b=60
b=60:6
b=10
a+10=67
a=67-10
a=57
57+10=67

Answer 2

$a+b=67 \ \\a:b=5 \ rest \ 7 \to \fbox{a=5b+7} \\*******************\\\text{Inlocuim in relatie }\\ \\ 5b+7+b=67\\6b+7=67\\6b=67-7\\6b=60\\b=60:6\\\fbox{\boxed{b=10}} \\ \\ a+10=67\\a=67-10\\\fbox{\fbox{a=57}}$