4z+5z=45

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Solution for 4z+5z=45 equation: 


Simplifying
4z + 5z = 45

Combine like terms: 4z + 5z = 9z
9z = 45

Solving
9z = 45

Solving for variable 'z'.

Move all terms containing z to the left, all other terms to the right.

Divide each side by '9'.
z = 5

Simplifying
z = 5

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