9x-20=7z

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Solution for 9x-20=7z equation: 


Simplifying
9x + -20 = 7z

Reorder the terms:
-20 + 9x = 7z

Solving
-20 + 9x = 7z

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + 9x = 20 + 7z

Combine like terms: -20 + 20 = 0
0 + 9x = 20 + 7z
9x = 20 + 7z

Divide each side by '9'.
x = 2.222222222 + 0.7777777778z

Simplifying
x = 2.222222222 + 0.7777777778z

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