x+[x-1]+[x-2]=31

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Solution for x+[x-1]+[x-2]=31 equation:


Simplifying
x + [x + -1] + [x + -2] = 31

Reorder the terms:
x + [-1 + x] + [x + -2] = 31

Remove brackets around [-1 + x]
x + -1 + x + [x + -2] = 31

Reorder the terms:
x + -1 + x + [-2 + x] = 31

Remove brackets around [-2 + x]
x + -1 + x + -2 + x = 31

Reorder the terms:
-1 + -2 + x + x + x = 31

Combine like terms: -1 + -2 = -3
-3 + x + x + x = 31

Combine like terms: x + x = 2x
-3 + 2x + x = 31

Combine like terms: 2x + x = 3x
-3 + 3x = 31

Solving
-3 + 3x = 31

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 3x = 31 + 3

Combine like terms: -3 + 3 = 0
0 + 3x = 31 + 3
3x = 31 + 3

Combine like terms: 31 + 3 = 34
3x = 34

Divide each side by '3'.
x = 11.33333333

Simplifying
x = 11.33333333

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