Hope this helps the picture explains how to do it hope its useful:)
Answer:

Step-by-step explanation:
So we have the equation:

Add 2 to both sides. The left cancels:

Divide both sides by 6. The left cancels:

So, the value of x is -1.
And we're done!
Sadly, 14% of US smokes that’s just adult
Add them all.34,6000 and 15000 and 2900 and 4050