Question

Solve -3x > -21

Answer 1

7

Answer 2

The inequality is :
\[-3x\geq -21\]
We multiply by -1/3, we get :
\[x\leq 7\]
So :
\[S=]-\infty,7]\]

Answer 3

close, but the inequality sign flips when you divide both sides by a negative number

Answer 4

o ok