3z=z+42

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Solution for 3z=z+42 equation: 


Simplifying
3z = z + 42

Reorder the terms:
3z = 42 + z

Solving
3z = 42 + 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.
3z + -1z = 42 + z + -1z

Combine like terms: 3z + -1z = 2z
2z = 42 + z + -1z

Combine like terms: z + -1z = 0
2z = 42 + 0
2z = 42

Divide each side by '2'.
z = 21

Simplifying
z = 21

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