2z-7z=20

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Solution for 2z-7z=20 equation: 


Simplifying
2z + -7z = 20

Combine like terms: 2z + -7z = -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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