The resulting expression for the variable v is u - e - g
Subject of formula is a way of representing a variable in terms of another variable.
Given the expression below;
u=e+g-v
We are to make v the subject of the formula
Subtract e + g from both sides
u- (e + g)=e+g-v - (e+g)
u - (e+g) =v
Expand the left hand side of the expression
u - e - g = v
Swap
v = u - e - g
Hence the resulting expression for the variable v is u - e - g
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