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

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


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

Combine like terms: 12x + -3x = 9x
(9x) * 2 = 9(7x + 18)

Remove parenthesis around (9x)
9x * 2 = 9(7x + 18)

Reorder the terms for easier multiplication:
9 * 2x = 9(7x + 18)

Multiply 9 * 2
18x = 9(7x + 18)

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

Solving
18x = 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.
18x + -63x = 162 + 63x + -63x

Combine like terms: 18x + -63x = -45x
-45x = 162 + 63x + -63x

Combine like terms: 63x + -63x = 0
-45x = 162 + 0
-45x = 162

Divide each side by '-45'.
x = -3.6

Simplifying
x = -3.6

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