-21s-31=53

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Solution for -21s-31=53 equation: 


Simplifying
-21s + -31 = 53

Reorder the terms:
-31 + -21s = 53

Solving
-31 + -21s = 53

Solving for variable 's'.

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

Add '31' to each side of the equation.
-31 + 31 + -21s = 53 + 31

Combine like terms: -31 + 31 = 0
0 + -21s = 53 + 31
-21s = 53 + 31

Combine like terms: 53 + 31 = 84
-21s = 84

Divide each side by '-21'.
s = -4

Simplifying
s = -4

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