X = -4.
explanation:
21+3x=3(-x+3)-12
21+3x=-3x+9-12
21+6x=9-12
21+6x=-3
6x=-24
x=-4
Answer:
yk theres an app for math problems like that its called photo math
Step-by-step explanation:
Answer:
- Equilateral Triangle
- Right angle triangle
- Isosceles triangle
Step-by-step explanation:
hope it helps....
Answer:
C. 
Step-by-step explanation:

both side times by 8


both side subtract with p


both side divide by 3

Answer:
y= 1/2X -1
Step-by-step explanation: