Answer:
W = 80
Explanation:
In algebra, the goal is always to isolate the variable, so that its value can be determined.
Step 1: Subtract 7
20 = W/4
Step 2: Multiply by 4
W = 80
Step 3: Check
27 = 7 + 80/4
27 = 7 + 20
27 = 27 ✔️
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