Answer
all real numbers
Work Step by Step
−2(6+s)≥−15−2s⟶ multiply using the distributive property
−12−2s≥−15−2s⟶ add 2s to each side
−12−2s+2s≥−15−2s+2s⟶ add
−12≥−15
Since -12 is greater than or equal to -15, the solution is all real numbers.