z+7=-1

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Solution for z+7=-1 equation: 


Simplifying
z + 7 = -1

Reorder the terms:
7 + z = -1

Solving
7 + z = -1

Solving for variable 'z'.

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

Add '-7' to each side of the equation.
7 + -7 + z = -1 + -7

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

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

Simplifying
z = -8

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