13x-(9x-6)=18

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


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

Reorder the terms:
13x + -1(-6 + 9x) = 18
13x + (-6 * -1 + 9x * -1) = 18
13x + (6 + -9x) = 18

Reorder the terms:
6 + 13x + -9x = 18

Combine like terms: 13x + -9x = 4x
6 + 4x = 18

Solving
6 + 4x = 18

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 4x = 18 + -6

Combine like terms: 6 + -6 = 0
0 + 4x = 18 + -6
4x = 18 + -6

Combine like terms: 18 + -6 = 12
4x = 12

Divide each side by '4'.
x = 3

Simplifying
x = 3

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