8+-x=9

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Solution for 8+-x=9 equation: 


Simplifying
8 + -1x = 9

Solving
8 + -1x = 9

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + -1x = 9 + -8

Combine like terms: 8 + -8 = 0
0 + -1x = 9 + -8
-1x = 9 + -8

Combine like terms: 9 + -8 = 1
-1x = 1

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

Simplifying
x = -1

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