3z+3-z=9+z+3

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Solution for 3z+3-z=9+z+3 equation:


Simplifying
3z + 3 + -1z = 9 + z + 3

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

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

Reorder the terms:
3 + 2z = 9 + 3 + z

Combine like terms: 9 + 3 = 12
3 + 2z = 12 + z

Solving
3 + 2z = 12 + z

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.
3 + 2z + -1z = 12 + z + -1z

Combine like terms: 2z + -1z = 1z
3 + 1z = 12 + z + -1z

Combine like terms: z + -1z = 0
3 + 1z = 12 + 0
3 + 1z = 12

Add '-3' to each side of the equation.
3 + -3 + 1z = 12 + -3

Combine like terms: 3 + -3 = 0
0 + 1z = 12 + -3
1z = 12 + -3

Combine like terms: 12 + -3 = 9
1z = 9

Divide each side by '1'.
z = 9

Simplifying
z = 9

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