Question

Urgent va roggggg frumos​

Answer 1

Salut!

5)

2(x+5)-x+3(x-1)=35

2x+10-x-3x-3=35

2x-x-3x=35+3-10

-2x=28 / : (-2)

x= - 14

6)

5x+6<31 /-6

5x<25 / : 5

x<5

x∈ℕ => x∈{0,1,2,3,4}

Succes!