FireBoltSOR
11.10.2019 •
Mathematics
"understanding volume"
lesson 11.7
5th grade
Solved
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Ответ:
Ответ:
w = -4
Step-by-step explanation:
Step 1: Distribute
-2w - 14 = 2(w + 1)
-2w - 14 = 2w + 2
Step 2: Add 2w to both sides
-2w - 14 + 2w = 2w + 2 + 2w
-14 = 4w + 2
Step 3: Subtract 2 from both sides
-14 - 2 = 4w + 2 - 2
-16 = 4w
Step 4: Divide both sides by 4
-16 / 4 = 4w / 4
-4 = w
w = -4