a+7=0

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Solution for a+7=0 equation: 


Simplifying
a + 7 = 0

Reorder the terms:
7 + a = 0

Solving
7 + a = 0

Solving for variable 'a'.

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

Add '-7' to each side of the equation.
7 + -7 + a = 0 + -7

Combine like terms: 7 + -7 = 0
0 + a = 0 + -7
a = 0 + -7

Combine like terms: 0 + -7 = -7
a = -7

Simplifying
a = -7

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