solve for x- 2x-1=4x+3

x - 2x-1 = 4x+3

Simplify the left side:

-x - 1 = 4x + 3

Add x to both sides:

-1 = 5x + 3

Subtract 3 from both sides:

-4 = 5x

Divide by 5:

x = -4/5