10z-9z=20

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Solution for 10z-9z=20 equation: 


Simplifying
10z + -9z = 20

Combine like terms: 10z + -9z = 1z
1z = 20

Solving
1z = 20

Solving for variable 'z'.

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

Divide each side by '1'.
z = 20

Simplifying
z = 20

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