9(x-9)=8x

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


Simplifying
9(x + -9) = 8x

Reorder the terms:
9(-9 + x) = 8x
(-9 * 9 + x * 9) = 8x
(-81 + 9x) = 8x

Solving
-81 + 9x = 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-81 + 9x + -8x = 8x + -8x

Combine like terms: 9x + -8x = 1x
-81 + 1x = 8x + -8x

Combine like terms: 8x + -8x = 0
-81 + 1x = 0

Add '81' to each side of the equation.
-81 + 81 + 1x = 0 + 81

Combine like terms: -81 + 81 = 0
0 + 1x = 0 + 81
1x = 0 + 81

Combine like terms: 0 + 81 = 81
1x = 81

Divide each side by '1'.
x = 81

Simplifying
x = 81

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