11s-7s+5s-12=15

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Solution for 11s-7s+5s-12=15 equation:


Simplifying
11s + -7s + 5s + -12 = 15

Reorder the terms:
-12 + 11s + -7s + 5s = 15

Combine like terms: 11s + -7s = 4s
-12 + 4s + 5s = 15

Combine like terms: 4s + 5s = 9s
-12 + 9s = 15

Solving
-12 + 9s = 15

Solving for variable 's'.

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

Add '12' to each side of the equation.
-12 + 12 + 9s = 15 + 12

Combine like terms: -12 + 12 = 0
0 + 9s = 15 + 12
9s = 15 + 12

Combine like terms: 15 + 12 = 27
9s = 27

Divide each side by '9'.
s = 3

Simplifying
s = 3

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