(2z-7)-7=

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Solution for (2z-7)-7= equation:


Simplifying
(2z + -7) + -7 = 0

Reorder the terms:
(-7 + 2z) + -7 = 0

Remove parenthesis around (-7 + 2z)
-7 + 2z + -7 = 0

Reorder the terms:
-7 + -7 + 2z = 0

Combine like terms: -7 + -7 = -14
-14 + 2z = 0

Solving
-14 + 2z = 0

Solving for variable 'z'.

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

Add '14' to each side of the equation.
-14 + 14 + 2z = 0 + 14

Combine like terms: -14 + 14 = 0
0 + 2z = 0 + 14
2z = 0 + 14

Combine like terms: 0 + 14 = 14
2z = 14

Divide each side by '2'.
z = 7

Simplifying
z = 7

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