z+3=9-z

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Solution for z+3=9-z equation:


Simplifying
z + 3 = 9 + -1z

Reorder the terms:
3 + z = 9 + -1z

Solving
3 + z = 9 + -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.
3 + z + z = 9 + -1z + z

Combine like terms: z + z = 2z
3 + 2z = 9 + -1z + z

Combine like terms: -1z + z = 0
3 + 2z = 9 + 0
3 + 2z = 9

Add '-3' to each side of the equation.
3 + -3 + 2z = 9 + -3

Combine like terms: 3 + -3 = 0
0 + 2z = 9 + -3
2z = 9 + -3

Combine like terms: 9 + -3 = 6
2z = 6

Divide each side by '2'.
z = 3

Simplifying
z = 3

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