2*(x+2x)=18

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Solution for 2*(x+2x)=18 equation: 


Simplifying
2(x + 2x) = 18

Combine like terms: x + 2x = 3x
2(3x) = 18

Remove parenthesis around (3x)
2 * 3x = 18

Multiply 2 * 3
6x = 18

Solving
6x = 18

Solving for variable 'x'.

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

Divide each side by '6'.
x = 3

Simplifying
x = 3

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