Answer :
equal to! When adding a negative and a posative the sum will always be a posative number. therefore you would just add as if the negative sign wasn't even there!
[tex]6 \leq 4+(-2x) \\ \\ 6 \leq 4-2x \\ \\ 6-4 \leq -2x \\ 2 \leq -2x \\ -2x \geq 2 \\ x \leq -1 [/tex]