3-x=9

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Solution for 3-x=9 equation: 


Simplifying
3 + -1x = 9

Solving
3 + -1x = 9

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + -1x = 9 + -3

Combine like terms: 3 + -3 = 0
0 + -1x = 9 + -3
-1x = 9 + -3

Combine like terms: 9 + -3 = 6
-1x = 6

Divide each side by '-1'.
x = -6

Simplifying
x = -6

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