4z-7z=20-1

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Solution for 4z-7z=20-1 equation: 


Simplifying
4z + -7z = 20 + -1

Combine like terms: 4z + -7z = -3z
-3z = 20 + -1

Combine like terms: 20 + -1 = 19
-3z = 19

Solving
-3z = 19

Solving for variable 'z'.

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

Divide each side by '-3'.
z = -6.333333333

Simplifying
z = -6.333333333

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