Question

2(x+6)-3(x+1)+5(x-4)>0

Answer 1

Resposta:2(×+6)-3(×+1)+5(×-4)=0

2×+12-3×-3+5×-20=0

2×-3×+5×=-12+3+20

-×+5×=-12+2

4×=11

×=11/4

×=2,75

2(×-6)-3(×+1)+5(×-4)=0

2×-12-3×-3+5×-20=0

2×-3×+5×=20+3+12

-×+5×=35

4×=35

×=35/4

×=8,75