7z-5=-145

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Solution for 7z-5=-145 equation: 


Simplifying
7z + -5 = -145

Reorder the terms:
-5 + 7z = -145

Solving
-5 + 7z = -145

Solving for variable 'z'.

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

Add '5' to each side of the equation.
-5 + 5 + 7z = -145 + 5

Combine like terms: -5 + 5 = 0
0 + 7z = -145 + 5
7z = -145 + 5

Combine like terms: -145 + 5 = -140
7z = -140

Divide each side by '7'.
z = -20

Simplifying
z = -20

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