Question

suma a doua nr.este 234 iar diferenta lor este 58.care sunt cele doua nr.?

Answer 1

x+y=234
x-y=58=>x=58+y


(58+y)+y=234
58+2y=234
2y=234-58
2y=176
y=176:2
y=88

x=58+y=>x=58+88=>x=146
cele doua numere sunt 146 si 88

Answer 2

a+b=234
a-b=58
---------------(adunam cele doua expresii )

2a=292
a=292:2
a=146

=>
146+b=234
b=234-146
b=88