9=6x+7(3x-18)

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Solution for 9=6x+7(3x-18) equation:


Simplifying
9 = 6x + 7(3x + -18)

Reorder the terms:
9 = 6x + 7(-18 + 3x)
9 = 6x + (-18 * 7 + 3x * 7)
9 = 6x + (-126 + 21x)

Reorder the terms:
9 = -126 + 6x + 21x

Combine like terms: 6x + 21x = 27x
9 = -126 + 27x

Solving
9 = -126 + 27x

Solving for variable 'x'.

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

Add '-27x' to each side of the equation.
9 + -27x = -126 + 27x + -27x

Combine like terms: 27x + -27x = 0
9 + -27x = -126 + 0
9 + -27x = -126

Add '-9' to each side of the equation.
9 + -9 + -27x = -126 + -9

Combine like terms: 9 + -9 = 0
0 + -27x = -126 + -9
-27x = -126 + -9

Combine like terms: -126 + -9 = -135
-27x = -135

Divide each side by '-27'.
x = 5

Simplifying
x = 5

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