9x-3(2x+9)=13

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Solution for 9x-3(2x+9)=13 equation:


Simplifying
9x + -3(2x + 9) = 13

Reorder the terms:
9x + -3(9 + 2x) = 13
9x + (9 * -3 + 2x * -3) = 13
9x + (-27 + -6x) = 13

Reorder the terms:
-27 + 9x + -6x = 13

Combine like terms: 9x + -6x = 3x
-27 + 3x = 13

Solving
-27 + 3x = 13

Solving for variable 'x'.

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

Add '27' to each side of the equation.
-27 + 27 + 3x = 13 + 27

Combine like terms: -27 + 27 = 0
0 + 3x = 13 + 27
3x = 13 + 27

Combine like terms: 13 + 27 = 40
3x = 40

Divide each side by '3'.
x = 13.33333333

Simplifying
x = 13.33333333

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