Answer:
equation: 3x+4 = 31
x = 9
Step-by-step explanation:
1. -2x+5x = 3x
2. 3x + 6 - 2
3. 6+-2 = 4
4. 3x+4 = 31
5. equation: 3x+4=31
6. 31-4 = 27
7. 3x=27
8. 27/3 = 9
9. x= 9
slope is undefined
x = 4 is the equation of a vertical line parallel to the y- axis.
The slope of a vertical line is undefined
( 2, 7 )
2 Nonfiction , 7 Fiction
