8-(9-x)=9

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Solution for 8-(9-x)=9 equation:


Simplifying
8 + -1(9 + -1x) = 9
8 + (9 * -1 + -1x * -1) = 9
8 + (-9 + 1x) = 9

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

Solving
-1 + 1x = 9

Solving for variable 'x'.

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

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

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

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

Divide each side by '1'.
x = 10

Simplifying
x = 10

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