Answer:
The solution set is all real numbers.
Step-by-step explanation:
Solve this equation, we have:
[tex]4x - 4/mleft(x + 1/mright) = 4 \\ (4x - 4x - 4) = 4 \\ ( - 4) = 4 \\ 4 = 4[/tex]
The final sentence is always true, The solution set is all real numbers.
Showing it in the number line in blue, we have: