a-1+2=12-14

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Solution for a-1+2=12-14 equation: 


Simplifying
a + -1 + 2 = 12 + -14

Reorder the terms:
-1 + 2 + a = 12 + -14

Combine like terms: -1 + 2 = 1
1 + a = 12 + -14

Combine like terms: 12 + -14 = -2
1 + a = -2

Solving
1 + a = -2

Solving for variable 'a'.

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

Add '-1' to each side of the equation.
1 + -1 + a = -2 + -1

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

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

Simplifying
a = -3

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