The value of s from the given expression is -2 - 4r
Subject of formula
The subject of formula is a way of representing a variable in terms of other variables.
Given the expression
-2 = 4r + s
Subtract 4r from both sides
-2 - 4r = 4r + s - 4r
-2 - 4r = s
Swap
s = -2 - 4r
Hence the value of s from the given expression is -2 - 4r
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