11z+-9z+z+2z=20

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Solution for 11z+-9z+z+2z=20 equation: 


Simplifying
11z + -9z + z + 2z = 20

Combine like terms: 11z + -9z = 2z
2z + z + 2z = 20

Combine like terms: 2z + z = 3z
3z + 2z = 20

Combine like terms: 3z + 2z = 5z
5z = 20

Solving
5z = 20

Solving for variable 'z'.

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

Divide each side by '5'.
z = 4

Simplifying
z = 4

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