z-7=-7

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Solution for z-7=-7 equation: 


Simplifying
z + -7 = -7

Reorder the terms:
-7 + z = -7

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

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

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

Solving
z = 0

Solving for variable 'z'.

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

Simplifying
z = 0

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