(9+2x)3=12+4x

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Solution for (9+2x)3=12+4x equation:


Simplifying
(9 + 2x) * 3 = 12 + 4x

Reorder the terms for easier multiplication:
3(9 + 2x) = 12 + 4x
(9 * 3 + 2x * 3) = 12 + 4x
(27 + 6x) = 12 + 4x

Solving
27 + 6x = 12 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
27 + 6x + -4x = 12 + 4x + -4x

Combine like terms: 6x + -4x = 2x
27 + 2x = 12 + 4x + -4x

Combine like terms: 4x + -4x = 0
27 + 2x = 12 + 0
27 + 2x = 12

Add '-27' to each side of the equation.
27 + -27 + 2x = 12 + -27

Combine like terms: 27 + -27 = 0
0 + 2x = 12 + -27
2x = 12 + -27

Combine like terms: 12 + -27 = -15
2x = -15

Divide each side by '2'.
x = -7.5

Simplifying
x = -7.5

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