Question

3(x-1)-2(x+1)$\geq$-9

Answer 1

3.(x - 1) - 2.(x + 1) >= - 9
3x - 3 - 2x - 2 >= - 9
3x - 2x >= - 9 + 3 + 2
x >= - 4

S = { x E R / x >= - 4 }