11=9s-7

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Solution for 11=9s-7 equation:


Simplifying
11 = 9s + -7

Reorder the terms:
11 = -7 + 9s

Solving
11 = -7 + 9s

Solving for variable 's'.

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

Add '-9s' to each side of the equation.
11 + -9s = -7 + 9s + -9s

Combine like terms: 9s + -9s = 0
11 + -9s = -7 + 0
11 + -9s = -7

Add '-11' to each side of the equation.
11 + -11 + -9s = -7 + -11

Combine like terms: 11 + -11 = 0
0 + -9s = -7 + -11
-9s = -7 + -11

Combine like terms: -7 + -11 = -18
-9s = -18

Divide each side by '-9'.
s = 2

Simplifying
s = 2

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