Question 818041
What number plus itself, plus itself gives you -15?
Remember: Adding by a negative number is subtracting it, so if I take 2 grapes away from you, I am adding -2 grapes to the grapes that you have,

What number, 3 times itself gives you -15?
If negative 15 is the total, what number goes into it 3 times?


3x=-15


x=-5