Question

Afla doua numere stiind ca suma lor este 85;iar diferenta lor este 15
Ajutatima va rog mai repede

Answer 1

a+b=85
a-b=15
2a=70
a=35
b=85-35=50

Answer 2

$a+b=85\\a-b=15 \to \boxed{\bold{a=15+b }} \\******************\\15+b+b=85\\15+2b=85\\2b=85-15\\2b=70\\b=70:2\\ \boxed{\bold{b=35}}\\\\a=15+b\\a=15+35\\\boxed{\bold{a=50}}$