4s*2+9=12s

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Solution for 4s*2+9=12s equation:


Simplifying
4s * 2 + 9 = 12s

Reorder the terms for easier multiplication:
4 * 2s + 9 = 12s

Multiply 4 * 2
8s + 9 = 12s

Reorder the terms:
9 + 8s = 12s

Solving
9 + 8s = 12s

Solving for variable 's'.

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

Add '-12s' to each side of the equation.
9 + 8s + -12s = 12s + -12s

Combine like terms: 8s + -12s = -4s
9 + -4s = 12s + -12s

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

Add '-9' to each side of the equation.
9 + -9 + -4s = 0 + -9

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

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

Divide each side by '-4'.
s = 2.25

Simplifying
s = 2.25

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