Y+4=-2(x+1)
This is the point slope form (y-y1) =m(x-x1)
I hope it will helped!
If 4x = 8x - 1 then 4x must be equivalent to 1. So that means x is .25 or 1/4.
Hope this helps!
(I assumed your trying to solve for x, please word the question better next time)
X=-2
You can also check by plugging -2 in for x. Here is a picture. Please notify me if I made an error!
If you convert 7 1/11 to decimals it comes out to .09 there fore 5.89+7.09
Answer: 12.98
$16.76 divided by 4 = $4.19 each gallon
So $4.19 x 7 gallons = $29.33