If x=-3 what is the solution to the equation? -4-8=?

-4x-8=?
x=-3
Plug in -3 for x.
-4(-3)-8=?
Multiply -4*-3.
12-8=?
Subtract.
12-8=4.
The solution to the equation is 4.
I hope this helps :)
The solution to your equation would be 4.
1. Substitute -3 into x.
-4(-3)-8
2. Simplify.
-4(-3)=12
12-8=4
Hope this helped!