13x-(9x-2)=18

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Solution for 13x-(9x-2)=18 equation:


Simplifying
13x + -1(9x + -2) = 18

Reorder the terms:
13x + -1(-2 + 9x) = 18
13x + (-2 * -1 + 9x * -1) = 18
13x + (2 + -9x) = 18

Reorder the terms:
2 + 13x + -9x = 18

Combine like terms: 13x + -9x = 4x
2 + 4x = 18

Solving
2 + 4x = 18

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2 + 4x = 18 + -2

Combine like terms: 2 + -2 = 0
0 + 4x = 18 + -2
4x = 18 + -2

Combine like terms: 18 + -2 = 16
4x = 16

Divide each side by '4'.
x = 4

Simplifying
x = 4

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