(x-1)9=6x+18

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Solution for (x-1)9=6x+18 equation:


Simplifying
(x + -1) * 9 = 6x + 18

Reorder the terms:
(-1 + x) * 9 = 6x + 18

Reorder the terms for easier multiplication:
9(-1 + x) = 6x + 18
(-1 * 9 + x * 9) = 6x + 18
(-9 + 9x) = 6x + 18

Reorder the terms:
-9 + 9x = 18 + 6x

Solving
-9 + 9x = 18 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
-9 + 9x + -6x = 18 + 6x + -6x

Combine like terms: 9x + -6x = 3x
-9 + 3x = 18 + 6x + -6x

Combine like terms: 6x + -6x = 0
-9 + 3x = 18 + 0
-9 + 3x = 18

Add '9' to each side of the equation.
-9 + 9 + 3x = 18 + 9

Combine like terms: -9 + 9 = 0
0 + 3x = 18 + 9
3x = 18 + 9

Combine like terms: 18 + 9 = 27
3x = 27

Divide each side by '3'.
x = 9

Simplifying
x = 9

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