-a+2+1=

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Solution for -a+2+1= equation:


Simplifying
-1a + 2 + 1 = 0

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

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

Solving
3 + -1a = 0

Solving for variable 'a'.

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

Add '-3' to each side of the equation.
3 + -3 + -1a = 0 + -3

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

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

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

Simplifying
a = 3

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