(12-3x)2=9(7x+18)

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Solution for (12-3x)2=9(7x+18) equation:


Simplifying
(12 + -3x) * 2 = 9(7x + 18)

Reorder the terms for easier multiplication:
2(12 + -3x) = 9(7x + 18)
(12 * 2 + -3x * 2) = 9(7x + 18)
(24 + -6x) = 9(7x + 18)

Reorder the terms:
24 + -6x = 9(18 + 7x)
24 + -6x = (18 * 9 + 7x * 9)
24 + -6x = (162 + 63x)

Solving
24 + -6x = 162 + 63x

Solving for variable 'x'.

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

Add '-63x' to each side of the equation.
24 + -6x + -63x = 162 + 63x + -63x

Combine like terms: -6x + -63x = -69x
24 + -69x = 162 + 63x + -63x

Combine like terms: 63x + -63x = 0
24 + -69x = 162 + 0
24 + -69x = 162

Add '-24' to each side of the equation.
24 + -24 + -69x = 162 + -24

Combine like terms: 24 + -24 = 0
0 + -69x = 162 + -24
-69x = 162 + -24

Combine like terms: 162 + -24 = 138
-69x = 138

Divide each side by '-69'.
x = -2

Simplifying
x = -2

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