(7-z)-5=-8

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Solution for (7-z)-5=-8 equation:


Simplifying
(7 + -1z) + -5 = -8

Remove parenthesis around (7 + -1z)
7 + -1z + -5 = -8

Reorder the terms:
7 + -5 + -1z = -8

Combine like terms: 7 + -5 = 2
2 + -1z = -8

Solving
2 + -1z = -8

Solving for variable 'z'.

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

Add '-2' to each side of the equation.
2 + -2 + -1z = -8 + -2

Combine like terms: 2 + -2 = 0
0 + -1z = -8 + -2
-1z = -8 + -2

Combine like terms: -8 + -2 = -10
-1z = -10

Divide each side by '-1'.
z = 10

Simplifying
z = 10

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