6x+9=(x+9)3

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Solution for 6x+9=(x+9)3 equation:


Simplifying
6x + 9 = (x + 9) * 3

Reorder the terms:
9 + 6x = (x + 9) * 3

Reorder the terms:
9 + 6x = (9 + x) * 3

Reorder the terms for easier multiplication:
9 + 6x = 3(9 + x)
9 + 6x = (9 * 3 + x * 3)
9 + 6x = (27 + 3x)

Solving
9 + 6x = 27 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
9 + 6x + -3x = 27 + 3x + -3x

Combine like terms: 6x + -3x = 3x
9 + 3x = 27 + 3x + -3x

Combine like terms: 3x + -3x = 0
9 + 3x = 27 + 0
9 + 3x = 27

Add '-9' to each side of the equation.
9 + -9 + 3x = 27 + -9

Combine like terms: 9 + -9 = 0
0 + 3x = 27 + -9
3x = 27 + -9

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

Divide each side by '3'.
x = 6

Simplifying
x = 6

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