3(1+6x)=129

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Solution for 3(1+6x)=129 equation: 


Simplifying
3(1 + 6x) = 129
(1 * 3 + 6x * 3) = 129
(3 + 18x) = 129

Solving
3 + 18x = 129

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 18x = 129 + -3

Combine like terms: 3 + -3 = 0
0 + 18x = 129 + -3
18x = 129 + -3

Combine like terms: 129 + -3 = 126
18x = 126

Divide each side by '18'.
x = 7

Simplifying
x = 7

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