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a+b=250........3xa=2xb care sunt nr?

Răspuns :

a+b=250

3a =2b

a=2b/3

2b/3+b=250

aducem la numitor comun

2b+3b=750

5b=750

b= 150

a+b=250

a+150=250

a=100

a+b=250

3a=2b, b=3a/2

a+3a/2=250

2a+3a=500

5a=500

a=100

b=300/2=150