Answer:
A
Step-by-step explanation:
Subtract 1 from both sides and divide by 2. This will leave you with x=-2 which is the simplified form of the equation.
Step-by-step explanation:
![3\left(x-4+1\cdot \:b\right)=8](https://tex.z-dn.net/?f=3%5Cleft%28x-4%2B1%5Ccdot%20%5C%3Ab%5Cright%29%3D8)
![\mathrm{Divide\:both\:sides\:by\:}3](https://tex.z-dn.net/?f=%5Cmathrm%7BDivide%5C%3Aboth%5C%3Asides%5C%3Aby%5C%3A%7D3)
![\frac{3\left(x-4+1\cdot \:b\right)}{3}=\frac{8}{3}](https://tex.z-dn.net/?f=%5Cfrac%7B3%5Cleft%28x-4%2B1%5Ccdot%20%5C%3Ab%5Cright%29%7D%7B3%7D%3D%5Cfrac%7B8%7D%7B3%7D)
![\mathrm{Simplify}](https://tex.z-dn.net/?f=%5Cmathrm%7BSimplify%7D)
![x-4+b=\frac{8}{3}](https://tex.z-dn.net/?f=x-4%2Bb%3D%5Cfrac%7B8%7D%7B3%7D)
![\mathrm{Subtract\:}b\mathrm{\:from\:both\:sides}](https://tex.z-dn.net/?f=%5Cmathrm%7BSubtract%5C%3A%7Db%5Cmathrm%7B%5C%3Afrom%5C%3Aboth%5C%3Asides%7D)
![x-4+b-b=\frac{8}{3}-b](https://tex.z-dn.net/?f=x-4%2Bb-b%3D%5Cfrac%7B8%7D%7B3%7D-b)
![\mathrm{Simplify}](https://tex.z-dn.net/?f=%5Cmathrm%7BSimplify%7D)
![x-4=\frac{8}{3}-b](https://tex.z-dn.net/?f=x-4%3D%5Cfrac%7B8%7D%7B3%7D-b)
![\mathrm{Add\:}4\mathrm{\:to\:both\:sides}](https://tex.z-dn.net/?f=%5Cmathrm%7BAdd%5C%3A%7D4%5Cmathrm%7B%5C%3Ato%5C%3Aboth%5C%3Asides%7D)
![x-4+4=\frac{8}{3}-b+4](https://tex.z-dn.net/?f=x-4%2B4%3D%5Cfrac%7B8%7D%7B3%7D-b%2B4)
![\mathrm{Simplify}](https://tex.z-dn.net/?f=%5Cmathrm%7BSimplify%7D)
![x=-b+\frac{20}{3}](https://tex.z-dn.net/?f=x%3D-b%2B%5Cfrac%7B20%7D%7B3%7D)
The answer is B. x=-7
Explanation:
I just substituted x for all of the answer choices until I found the right one.
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