4s+9=12

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Solution for 4s+9=12 equation: 


Simplifying
4s + 9 = 12

Reorder the terms:
9 + 4s = 12

Solving
9 + 4s = 12

Solving for variable 's'.

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

Add '-9' to each side of the equation.
9 + -9 + 4s = 12 + -9

Combine like terms: 9 + -9 = 0
0 + 4s = 12 + -9
4s = 12 + -9

Combine like terms: 12 + -9 = 3
4s = 3

Divide each side by '4'.
s = 0.75

Simplifying
s = 0.75

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