2-1x+2x+1=0

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Solution for 2-1x+2x+1=0 equation:


Simplifying
2 + -1x + 2x + 1 = 0

Reorder the terms:
2 + 1 + -1x + 2x = 0

Combine like terms: 2 + 1 = 3
3 + -1x + 2x = 0

Combine like terms: -1x + 2x = 1x
3 + 1x = 0

Solving
3 + 1x = 0

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 + 1x = 0 + -3

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

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

Divide each side by '1'.
x = -3

Simplifying
x = -3

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