1x-1=9-x

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Solution for 1x-1=9-x equation:


Simplifying
1x + -1 = 9 + -1x

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

Solving
-1 + 1x = 9 + -1x

Solving for variable 'x'.

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

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

Combine like terms: 1x + x = 2x
-1 + 2x = 9 + -1x + x

Combine like terms: -1x + x = 0
-1 + 2x = 9 + 0
-1 + 2x = 9

Add '1' to each side of the equation.
-1 + 1 + 2x = 9 + 1

Combine like terms: -1 + 1 = 0
0 + 2x = 9 + 1
2x = 9 + 1

Combine like terms: 9 + 1 = 10
2x = 10

Divide each side by '2'.
x = 5

Simplifying
x = 5

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