a+1+2=-5

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Solution for a+1+2=-5 equation: 


Simplifying
a + 1 + 2 = -5

Reorder the terms:
1 + 2 + a = -5

Combine like terms: 1 + 2 = 3
3 + a = -5

Solving
3 + a = -5

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 + a = -5 + -3

Combine like terms: 3 + -3 = 0
0 + a = -5 + -3
a = -5 + -3

Combine like terms: -5 + -3 = -8
a = -8

Simplifying
a = -8

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