13x+6+[180-(15x-18)]=180

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Solution for 13x+6+[180-(15x-18)]=180 equation:


Simplifying
13x + 6 + [180 + -1(15x + -18)] = 180

Reorder the terms:
13x + 6 + [180 + -1(-18 + 15x)] = 180
13x + 6 + [180 + (-18 * -1 + 15x * -1)] = 180
13x + 6 + [180 + (18 + -15x)] = 180

Combine like terms: 180 + 18 = 198
13x + 6 + [198 + -15x] = 180

Remove brackets around [198 + -15x]
13x + 6 + 198 + -15x = 180

Reorder the terms:
6 + 198 + 13x + -15x = 180

Combine like terms: 6 + 198 = 204
204 + 13x + -15x = 180

Combine like terms: 13x + -15x = -2x
204 + -2x = 180

Solving
204 + -2x = 180

Solving for variable 'x'.

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

Add '-204' to each side of the equation.
204 + -204 + -2x = 180 + -204

Combine like terms: 204 + -204 = 0
0 + -2x = 180 + -204
-2x = 180 + -204

Combine like terms: 180 + -204 = -24
-2x = -24

Divide each side by '-2'.
x = 12

Simplifying
x = 12

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