Question

Mulțumescccc anticipat :)​

Answer 1

9. a-b=1858
a:b=42 rest 13 => a=42b +13
inlocuim
42b+13-b=1858
41b=1858-13
41b=1845
b=45
a=45x42+13
a=1890+13
a=1903


10. Alexandra=x
Iulian=y

x+y=119 lei

x-19=3y => x=19+3y

19+3y+y=119
4y=100
y=25 lei
x=19+3x25
x=19+75
x=94 lei