-6=7-(8-z)

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Solution for -6=7-(8-z) equation:


Simplifying
-6 = 7 + -1(8 + -1z)
-6 = 7 + (8 * -1 + -1z * -1)
-6 = 7 + (-8 + 1z)

Combine like terms: 7 + -8 = -1
-6 = -1 + 1z

Solving
-6 = -1 + 1z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
-6 + -1z = -1 + 1z + -1z

Combine like terms: 1z + -1z = 0
-6 + -1z = -1 + 0
-6 + -1z = -1

Add '6' to each side of the equation.
-6 + 6 + -1z = -1 + 6

Combine like terms: -6 + 6 = 0
0 + -1z = -1 + 6
-1z = -1 + 6

Combine like terms: -1 + 6 = 5
-1z = 5

Divide each side by '-1'.
z = -5

Simplifying
z = -5

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