Question

Solve 15 ≥ -3x or x ≥ -2.


{x | x ≤ -5}
{x | x ≥ -5}
{all reals}

Answer 1

\[15\ge-3x\]
\[\frac{15}{-3}\le\frac{-3x}{-3}\]
\[-5\le x\]

Answer 2

thnank you so much

Answer 3

Do you know why the sign flipped?