Question

multimea solutiilor inecuatiei x-4 $\geq$3*(x+2) este intervalul........?

Answer 1

x-4 >sau egal 3x(x+2)
x-4 >egal  3x+6
x-3x  > egal 10
-2x >10
-x > 5
x <egal -5

Answer 2

$x-4 \geq 3(x+2) \\x-4 \geq 3x+6 \\ x-3x \geq 6+4 \\ -2x \geq 10 \\ x \leq -10/2 \\ x \leq -5$