Answer: so i dont but hopefully someone cane help you
Step-by-step explanation:
Answer:
r=-4
Step-by-step explanation:

Hope that this is helpful.
Answer:
x=-1/2
Step-by-step explanation:
Solving
2x-1+8=6
2x+7=6
2x=6-7
2x=-1
x=-1/2
Checking
put x=-1/2 in equation
LHS 2(-1/2)-1+8
=-1-1+8
=8-2
=6
RHS =6
You first -7 from both sides.
7 + 2x = 13
-7 -7
Then you divide that by 2.
2x = 6
/2 /2
To get x equal to 3.
x = 3