12x=x+3(x+3)

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Solution for 12x=x+3(x+3) equation:


Simplifying
12x = x + 3(x + 3)

Reorder the terms:
12x = x + 3(3 + x)
12x = x + (3 * 3 + x * 3)
12x = x + (9 + 3x)

Reorder the terms:
12x = 9 + x + 3x

Combine like terms: x + 3x = 4x
12x = 9 + 4x

Solving
12x = 9 + 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.
12x + -4x = 9 + 4x + -4x

Combine like terms: 12x + -4x = 8x
8x = 9 + 4x + -4x

Combine like terms: 4x + -4x = 0
8x = 9 + 0
8x = 9

Divide each side by '8'.
x = 1.125

Simplifying
x = 1.125

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