=-(-z+3)

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Solution for =-(-z+3) equation:


Simplifying
0 = -1(-1z + 3)

Reorder the terms:
0 = -1(3 + -1z)
0 = (3 * -1 + -1z * -1)
0 = (-3 + 1z)

Solving
0 = -3 + 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.
0 + -1z = -3 + 1z + -1z
Remove the zero:
-1z = -3 + 1z + -1z

Combine like terms: 1z + -1z = 0
-1z = -3 + 0
-1z = -3

Divide each side by '-1'.
z = 3

Simplifying
z = 3

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