Answer:
2n + n² -1
Step-by-step explanation:
2n + 2 + n² - 3
2n + n² -1
Lemme know if I read the equation wrong :)
Answer:
The number is -3.
Step-by-step explanation:
X = a number
X + 12 = 9
Rearrange to get X on its own.
X = 9 - 12
X = -3
Answer:
-16
Step-by-step explanation:
So you want to change the - into a + and the negative sign before the 13 also into a plus. So it is -29 + 13 and that would be -16 ^.^ Hope this helped!!