#### Answer

all real numbers

#### Work Step by Step

6w−4≤2(3w+6)⟶ multiply using the distributive property
6w−4≤6w+12⟶ subtract 6w from each side
6w−4−6w≤6w+12−6w⟶ subtract
−4≤12
Since -4 is less than or equal to 12, the solution includes all real numbers.