Answer: 2x-5=8x+7-6x
We simplify the equation to the form, which is simple to understand 
2x-5=8x+7-6x
We move all terms containing x to the left and all other terms to the right. 
+2x-8x+6x=+7+5
We simplify left and right side of the equation. 
0x=+12
0=12
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
Explanation: