Is+y=4

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Solution for Is+y=4 equation: 


Simplifying
Is + y = 4

Solving
sI + y = 4

Solving for variable 's'.

Move all terms containing s to the left, all other terms to the right.

Add '-1y' to each side of the equation.
sI + y + -1y = 4 + -1y

Combine like terms: y + -1y = 0
sI + 0 = 4 + -1y
sI = 4 + -1y

Divide each side by 'I'.
s = 4I-1 + -1yI-1

Simplifying
s = 4I-1 + -1yI-1

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