15s-s-13s+s=4

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Solution for 15s-s-13s+s=4 equation: 


Simplifying
15s + -1s + -13s + s = 4

Combine like terms: 15s + -1s = 14s
14s + -13s + s = 4

Combine like terms: 14s + -13s = 1s
1s + s = 4

Combine like terms: 1s + s = 2s
2s = 4

Solving
2s = 4

Solving for variable 's'.

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

Divide each side by '2'.
s = 2

Simplifying
s = 2

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