9-x=28

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Solution for 9-x=28 equation: 


Simplifying
9 + -1x = 28

Solving
9 + -1x = 28

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 + -1x = 28 + -9

Combine like terms: 9 + -9 = 0
0 + -1x = 28 + -9
-1x = 28 + -9

Combine like terms: 28 + -9 = 19
-1x = 19

Divide each side by '-1'.
x = -19

Simplifying
x = -19

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