Question

7x-11 mai mare sau egal -3x-19 =

Answer 1

7x-11>_(mai mare sau egal) -3x-19=>
7x+3x>_ -19+11=>
10x>_ 8=>x >_ 8supa 10

Answer 2

$\displaystyle 7x-11 \geq -3x-19 \\ 7x+3x \geq -19+11 \\ 10x=-8 \\ x \geq - \frac{8}{10} \\ x \geq - \frac{4}{5} \\ x \in \left[- \frac{4}{5} , \infty \right)$