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  • Utilizator Brainly
2014-02-12T19:51:01+02:00
A:b=5+20 ⇒ a=5b+20
a+b+5+20=195 ⇒ a+b=170 ⇒ a=170-b
Inlocuim in prima ⇒ 170-b=5b+20 ⇒ 6b=150, b=25, a=145
2 5 2
2014-02-12T19:55:47+02:00
A:b=5+20 ⇒ a=5b+20
a+b+5+20=195 ⇒ a+b=170 ⇒ a=170-b
⇒ 170-b=5b+20 ⇒ 6b=150, b=25, a=145