[x-5]+2[x+11]=20

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Solution for [x-5]+2[x+11]=20 equation:


Simplifying
[x + -5] + 2[x + 11] = 20

Reorder the terms:
[-5 + x] + 2[x + 11] = 20

Remove brackets around [-5 + x]
-5 + x + 2[x + 11] = 20

Reorder the terms:
-5 + x + 2[11 + x] = 20
-5 + x + [11 * 2 + x * 2] = 20
-5 + x + [22 + 2x] = 20

Reorder the terms:
-5 + 22 + x + 2x = 20

Combine like terms: -5 + 22 = 17
17 + x + 2x = 20

Combine like terms: x + 2x = 3x
17 + 3x = 20

Solving
17 + 3x = 20

Solving for variable 'x'.

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

Add '-17' to each side of the equation.
17 + -17 + 3x = 20 + -17

Combine like terms: 17 + -17 = 0
0 + 3x = 20 + -17
3x = 20 + -17

Combine like terms: 20 + -17 = 3
3x = 3

Divide each side by '3'.
x = 1

Simplifying
x = 1

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