X(x+12x)=66

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Solution for X(x+12x)=66 equation: 


Simplifying
X(x + 12x) = 66

Combine like terms: x + 12x = 13x
X(13x) = 66

Remove parenthesis around (13x)
X * 13x = 66

Reorder the terms for easier multiplication:
13X * x = 66

Multiply X * x
13xX = 66

Solving
13xX = 66

Solving for variable 'x'.

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

Divide each side by '13X'.
x = 5.076923077X-1

Simplifying
x = 5.076923077X-1

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