0.9(s-4)=3.6

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Solution for 0.9(s-4)=3.6 equation: 


Simplifying
0.9(s + -4) = 3.6

Reorder the terms:
0.9(-4 + s) = 3.6
(-4 * 0.9 + s * 0.9) = 3.6
(-3.6 + 0.9s) = 3.6

Solving
-3.6 + 0.9s = 3.6

Solving for variable 's'.

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

Add '3.6' to each side of the equation.
-3.6 + 3.6 + 0.9s = 3.6 + 3.6

Combine like terms: -3.6 + 3.6 = 0.0
0.0 + 0.9s = 3.6 + 3.6
0.9s = 3.6 + 3.6

Combine like terms: 3.6 + 3.6 = 7.2
0.9s = 7.2

Divide each side by '0.9'.
s = 8

Simplifying
s = 8

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