3[-x+(2x+1)]=-1

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Solution for 3[-x+(2x+1)]=-1 equation:


Simplifying
3[-1x + (2x + 1)] = -1

Reorder the terms:
3[-1x + (1 + 2x)] = -1

Remove parenthesis around (1 + 2x)
3[-1x + 1 + 2x] = -1

Reorder the terms:
3[1 + -1x + 2x] = -1

Combine like terms: -1x + 2x = 1x
3[1 + 1x] = -1
[1 * 3 + 1x * 3] = -1
[3 + 3x] = -1

Solving
3 + 3x = -1

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 = -1 + -3

Combine like terms: 3 + -3 = 0
0 + 3x = -1 + -3
3x = -1 + -3

Combine like terms: -1 + -3 = -4
3x = -4

Divide each side by '3'.
x = -1.333333333

Simplifying
x = -1.333333333

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