10x+9-x=12

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Solution for 10x+9-x=12 equation:


Simplifying
10x + 9 + -1x = 12

Reorder the terms:
9 + 10x + -1x = 12

Combine like terms: 10x + -1x = 9x
9 + 9x = 12

Solving
9 + 9x = 12

Solving for variable 'x'.

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

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

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

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

Divide each side by '9'.
x = 0.3333333333

Simplifying
x = 0.3333333333

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