13s+35=21s-69

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Solution for 13s+35=21s-69 equation:


Simplifying
13s + 35 = 21s + -69

Reorder the terms:
35 + 13s = 21s + -69

Reorder the terms:
35 + 13s = -69 + 21s

Solving
35 + 13s = -69 + 21s

Solving for variable 's'.

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

Add '-21s' to each side of the equation.
35 + 13s + -21s = -69 + 21s + -21s

Combine like terms: 13s + -21s = -8s
35 + -8s = -69 + 21s + -21s

Combine like terms: 21s + -21s = 0
35 + -8s = -69 + 0
35 + -8s = -69

Add '-35' to each side of the equation.
35 + -35 + -8s = -69 + -35

Combine like terms: 35 + -35 = 0
0 + -8s = -69 + -35
-8s = -69 + -35

Combine like terms: -69 + -35 = -104
-8s = -104

Divide each side by '-8'.
s = 13

Simplifying
s = 13

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