3z-8=12+3-z

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Solution for 3z-8=12+3-z equation:


Simplifying
3z + -8 = 12 + 3 + -1z

Reorder the terms:
-8 + 3z = 12 + 3 + -1z

Combine like terms: 12 + 3 = 15
-8 + 3z = 15 + -1z

Solving
-8 + 3z = 15 + -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.
-8 + 3z + z = 15 + -1z + z

Combine like terms: 3z + z = 4z
-8 + 4z = 15 + -1z + z

Combine like terms: -1z + z = 0
-8 + 4z = 15 + 0
-8 + 4z = 15

Add '8' to each side of the equation.
-8 + 8 + 4z = 15 + 8

Combine like terms: -8 + 8 = 0
0 + 4z = 15 + 8
4z = 15 + 8

Combine like terms: 15 + 8 = 23
4z = 23

Divide each side by '4'.
z = 5.75

Simplifying
z = 5.75

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