12-x=9-5x

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Solution for 12-x=9-5x equation:


Simplifying
12 + -1x = 9 + -5x

Solving
12 + -1x = 9 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
12 + -1x + 5x = 9 + -5x + 5x

Combine like terms: -1x + 5x = 4x
12 + 4x = 9 + -5x + 5x

Combine like terms: -5x + 5x = 0
12 + 4x = 9 + 0
12 + 4x = 9

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

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

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

Divide each side by '4'.
x = -0.75

Simplifying
x = -0.75

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