18x-(9x-6x)=13

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Solution for 18x-(9x-6x)=13 equation: 


Simplifying
18x + -1(9x + -6x) = 13

Combine like terms: 9x + -6x = 3x
18x + -1(3x) = 13

Remove parenthesis around (3x)
18x + -1 * 3x = 13

Multiply -1 * 3
18x + -3x = 13

Combine like terms: 18x + -3x = 15x
15x = 13

Solving
15x = 13

Solving for variable 'x'.

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

Divide each side by '15'.
x = 0.8666666667

Simplifying
x = 0.8666666667

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