Answer:
i tried it by trial and error, and my work is below.
Step-by-step explanation:
2x + 9 = 23
subtract 9 from both sides
2x = 14
guess.... lol
x=7
Answer:
i dont think you've got the right (x,y) pair....
Step-by-step explanation:
3x - y = 5
3(2) - 7 = 5
6 - 7 = 5
those are not the correct coordinates for the equation
For the first one it is x=1 the second one X=8
If the lines are parallel, they have no solutions because they never touch
First subtract 9/4 from each side
1/2b=-2/4
Simplify the 2/4
1/2b=-1/2
Divide each side by 1/2
b = -1
