Question

fie a +b=766 Daca c>b cu 110 atunci 2×a+b+c=

Answer 1

a+b=766, inmultim cu 2
2a+2b=1532 (1)

c=b+110, 
-b+c=110 (2)

adunam relatiile (1) si (2)

2a+2b-b+c=1532+110
2a+b+c=1642

Answer 2

2*a+b+c=2*(a+b)+110=2*766+110=1532+110=1642