-1z+-7=2

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Solution for -1z+-7=2 equation: 


Simplifying
-1z + -7 = 2

Reorder the terms:
-7 + -1z = 2

Solving
-7 + -1z = 2

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 + -1z = 2 + 7

Combine like terms: -7 + 7 = 0
0 + -1z = 2 + 7
-1z = 2 + 7

Combine like terms: 2 + 7 = 9
-1z = 9

Divide each side by '-1'.
z = -9

Simplifying
z = -9

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