2+a+4=-1

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Solution for 2+a+4=-1 equation: 


Simplifying
2 + a + 4 = -1

Reorder the terms:
2 + 4 + a = -1

Combine like terms: 2 + 4 = 6
6 + a = -1

Solving
6 + a = -1

Solving for variable 'a'.

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

Add '-6' to each side of the equation.
6 + -6 + a = -1 + -6

Combine like terms: 6 + -6 = 0
0 + a = -1 + -6
a = -1 + -6

Combine like terms: -1 + -6 = -7
a = -7

Simplifying
a = -7

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