s-4=9

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Solution for s-4=9 equation: 


Simplifying
s + -4 = 9

Reorder the terms:
-4 + s = 9

Solving
-4 + s = 9

Solving for variable 's'.

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

Add '4' to each side of the equation.
-4 + 4 + s = 9 + 4

Combine like terms: -4 + 4 = 0
0 + s = 9 + 4
s = 9 + 4

Combine like terms: 9 + 4 = 13
s = 13

Simplifying
s = 13

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