12=6x+3(x+6)

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Solution for 12=6x+3(x+6) equation:


Simplifying
12 = 6x + 3(x + 6)

Reorder the terms:
12 = 6x + 3(6 + x)
12 = 6x + (6 * 3 + x * 3)
12 = 6x + (18 + 3x)

Reorder the terms:
12 = 18 + 6x + 3x

Combine like terms: 6x + 3x = 9x
12 = 18 + 9x

Solving
12 = 18 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
12 + -9x = 18 + 9x + -9x

Combine like terms: 9x + -9x = 0
12 + -9x = 18 + 0
12 + -9x = 18

Add '-12' to each side of the equation.
12 + -12 + -9x = 18 + -12

Combine like terms: 12 + -12 = 0
0 + -9x = 18 + -12
-9x = 18 + -12

Combine like terms: 18 + -12 = 6
-9x = 6

Divide each side by '-9'.
x = -0.6666666667

Simplifying
x = -0.6666666667

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