7z=5z-20

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Solution for 7z=5z-20 equation: 


Simplifying
7z = 5z + -20

Reorder the terms:
7z = -20 + 5z

Solving
7z = -20 + 5z

Solving for variable 'z'.

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

Add '-5z' to each side of the equation.
7z + -5z = -20 + 5z + -5z

Combine like terms: 7z + -5z = 2z
2z = -20 + 5z + -5z

Combine like terms: 5z + -5z = 0
2z = -20 + 0
2z = -20

Divide each side by '2'.
z = -10

Simplifying
z = -10

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