Given: -7x < -21.

Choose the solution set.
A. {x | x < -3}
B. {x | x > -3}
C. {x | x < 3}
D. {x | x > 3}
Please help will give brainliest

Respuesta :

the answer is x=3 because
-7 times 3 is -21
-7 times -3 is just 21

so its either c or d.
i think its d