3(3+6x)=129

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Solution for 3(3+6x)=129 equation: 


Simplifying
3(3 + 6x) = 129
(3 * 3 + 6x * 3) = 129
(9 + 18x) = 129

Solving
9 + 18x = 129

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 18x = 129 + -9

Combine like terms: 9 + -9 = 0
0 + 18x = 129 + -9
18x = 129 + -9

Combine like terms: 129 + -9 = 120
18x = 120

Divide each side by '18'.
x = 6.666666667

Simplifying
x = 6.666666667

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