a+3-4=-1

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Solution for a+3-4=-1 equation: 


Simplifying
a + 3 + -4 = -1

Reorder the terms:
3 + -4 + a = -1

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

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

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

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

Solving
a = 0

Solving for variable 'a'.

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

Simplifying
a = 0

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