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2(x+3)+17=59 7(x-2)+9=44

Răspuns :

Eu cred ca na-i scris ceva bine.
2(x+3)=59-17=42
x+3=42:2=21
X=21-3=18

7(x-2)=44-9=35
X-2=35:7=5
X=5+2=7