9z-5z=30+z

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Solution for 9z-5z=30+z equation: 


Simplifying
9z + -5z = 30 + z

Combine like terms: 9z + -5z = 4z
4z = 30 + z

Solving
4z = 30 + 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.
4z + -1z = 30 + z + -1z

Combine like terms: 4z + -1z = 3z
3z = 30 + z + -1z

Combine like terms: z + -1z = 0
3z = 30 + 0
3z = 30

Divide each side by '3'.
z = 10

Simplifying
z = 10

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