z+4=28-z

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Solution for z+4=28-z equation:


Simplifying
z + 4 = 28 + -1z

Reorder the terms:
4 + z = 28 + -1z

Solving
4 + z = 28 + -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 = 28 + -1z + z

Combine like terms: z + z = 2z
4 + 2z = 28 + -1z + z

Combine like terms: -1z + z = 0
4 + 2z = 28 + 0
4 + 2z = 28

Add '-4' to each side of the equation.
4 + -4 + 2z = 28 + -4

Combine like terms: 4 + -4 = 0
0 + 2z = 28 + -4
2z = 28 + -4

Combine like terms: 28 + -4 = 24
2z = 24

Divide each side by '2'.
z = 12

Simplifying
z = 12

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