Hello there!
5x + 3x = 2(4x - 5)
Start with the distributive form
5x + 3x = (2)(4x) + (2)(-5) - 2
8x = 8x - 10 - 2
8x = 8x - 12
8x - 8x = -12
0 = -12
There are no solutions
I really hope the steps are easy to understand and well explained.
As always, it is my pleasure to help people like you!