4x+9=12-9x

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Solution for 4x+9=12-9x equation:


Simplifying
4x + 9 = 12 + -9x

Reorder the terms:
9 + 4x = 12 + -9x

Solving
9 + 4x = 12 + -9x

Solving for variable 'x'.

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

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

Combine like terms: 4x + 9x = 13x
9 + 13x = 12 + -9x + 9x

Combine like terms: -9x + 9x = 0
9 + 13x = 12 + 0
9 + 13x = 12

Add '-9' to each side of the equation.
9 + -9 + 13x = 12 + -9

Combine like terms: 9 + -9 = 0
0 + 13x = 12 + -9
13x = 12 + -9

Combine like terms: 12 + -9 = 3
13x = 3

Divide each side by '13'.
x = 0.2307692308

Simplifying
x = 0.2307692308

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