Answer & Step-by-step explanation:

Add 1 to both sides.

Multiply both sides by 4.

Take the square root of both sides.


Subtract 5 from both sides.

-2 would at the end equal zero
2 at the end would equal -480
so i would go with the x=-2
Answer:
50
Step-by-step explanation:
Answer:
The teacher can fill 5 calculators
Step-by-step explanation:
600+100m=2000. This should be the inequality