- - - - - - - - - - - - - - - - - - - - - - - - - - - - -

-7n-15≤21. find n

❖ Add 15 to both sides:-
-7n≤21+15
-7n≤36
❖ Now divide by -7 on both sides:-
n≥-5.14 or
n≥-5
The inequality sign changed because we divided both sides by a negative number.
<h3>Good luck.</h3>
- - - - - - - - - -- - - - - - - - - - - - - - - - - - - - - - - -
A polygon with 3 sides is a triangle!
Answer:
i think it will be like take all of from lcm x then
takke - to opent the answer will be =-4