Answer:
s = 8
Step-by-step explanation:
The initial equation is:
4s - 28 = 4
So, to solve for s, we can add 28 to both sides:
4s - 28 + 28 = 4 + 28
4s = 32
Finally, we can divide both sides by 4:
4s/4 = 32/4
So, the value of s is 8
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