2.5+7.5(1-9s)=16.5

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Solution for 2.5+7.5(1-9s)=16.5 equation: 


Simplifying
2.5 + 7.5(1 + -9s) = 16.5
2.5 + (1 * 7.5 + -9s * 7.5) = 16.5
2.5 + (7.5 + -67.5s) = 16.5

Combine like terms: 2.5 + 7.5 = 10
10 + -67.5s = 16.5

Solving
10 + -67.5s = 16.5

Solving for variable 's'.

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

Add '-10' to each side of the equation.
10 + -10 + -67.5s = 16.5 + -10

Combine like terms: 10 + -10 = 0
0 + -67.5s = 16.5 + -10
-67.5s = 16.5 + -10

Combine like terms: 16.5 + -10 = 6.5
-67.5s = 6.5

Divide each side by '-67.5'.
s = -0.0962962963

Simplifying
s = -0.0962962963

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