[z+4]=[8-z]

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Solution for [z+4]=[8-z] equation:


Simplifying
[z + 4] = [8 + -1z]

Reorder the terms:
[4 + z] = [8 + -1z]

Remove brackets around [4 + z]
4 + z = [8 + -1z]

Remove brackets around [8 + -1z]
4 + z = 8 + -1z

Solving
4 + z = 8 + -1z

Solving for variable 'z'.

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

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

Combine like terms: z + z = 2z
4 + 2z = 8 + -1z + z

Combine like terms: -1z + z = 0
4 + 2z = 8 + 0
4 + 2z = 8

Add '-4' to each side of the equation.
4 + -4 + 2z = 8 + -4

Combine like terms: 4 + -4 = 0
0 + 2z = 8 + -4
2z = 8 + -4

Combine like terms: 8 + -4 = 4
2z = 4

Divide each side by '2'.
z = 2

Simplifying
z = 2

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