Please help me @marcthetutor please if you cpuld help me as welll anybody please help wuth thorough explaining will mark as brainliest to best answer and explaination

Answer:
w=3
Step-by-step explanation:
(w+3)x2=4w
2w+6=4w
2w+6-6=4w-6
2w-4w=4w-6-4w
-2w=-6
-2w/2 = -6/2
w=3