7+a=-1

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Solution for 7+a=-1 equation: 


Simplifying
7 + a = -1

Solving
7 + a = -1

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 = -1 + -7

Combine like terms: 7 + -7 = 0
0 + a = -1 + -7
a = -1 + -7

Combine like terms: -1 + -7 = -8
a = -8

Simplifying
a = -8

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