Step-by-step explanation:
I guess you want to solve for n.
in that case
-2 = 0.8n
n = -2/0.8 = -2 / 8/10 = -2 × 10/8 = -5/2 = -2.5
Answer:
a=-27
Step-by-step explanation:
⅓a-6=-15
multiply by 3 on both sides
3(⅓a-6)=3(-15)
a-18=-45
add 18 on both sides
a=-45+18
a=-27
Answer:
![x = 5](https://tex.z-dn.net/?f=x%20%3D%205)
Step-by-step explanation:
Given
![6-3(2x-3)=5(6-x) -4x](https://tex.z-dn.net/?f=6-3%282x-3%29%3D5%286-x%29%20-4x)
Required
Solve
![6-3(2x-3)=5(6-x) -4x](https://tex.z-dn.net/?f=6-3%282x-3%29%3D5%286-x%29%20-4x)
Open Brackets
![6-3*2x-3*-3=5*6-5*x -4x](https://tex.z-dn.net/?f=6-3%2A2x-3%2A-3%3D5%2A6-5%2Ax%20-4x)
![6-6x+9=30-5x -4x](https://tex.z-dn.net/?f=6-6x%2B9%3D30-5x%20-4x)
Collect Like Terms
![-6x + 5x + 4x = 30 - 6 - 9](https://tex.z-dn.net/?f=-6x%20%2B%205x%20%2B%204x%20%3D%2030%20-%206%20-%209)
![3x = 15](https://tex.z-dn.net/?f=3x%20%3D%2015)
Solve for x
![x = \frac{1}{3} * 15](https://tex.z-dn.net/?f=x%20%3D%20%5Cfrac%7B1%7D%7B3%7D%20%2A%2015)
![x = 5](https://tex.z-dn.net/?f=x%20%3D%205)