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2a+b=106
b=2a+3
a=?
b=?


Răspuns :

2a+2a+3=106

4a=103, a=25.75

b=2x25.75+3=54.5
2a+b=106
b=2a+3
2a+2a+3=106
4a=103
a=103/4=25,75
b=2*25,75+3=54,50