9z-8=20+5z

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Solution for 9z-8=20+5z equation:


Simplifying
9z + -8 = 20 + 5z

Reorder the terms:
-8 + 9z = 20 + 5z

Solving
-8 + 9z = 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.
-8 + 9z + -5z = 20 + 5z + -5z

Combine like terms: 9z + -5z = 4z
-8 + 4z = 20 + 5z + -5z

Combine like terms: 5z + -5z = 0
-8 + 4z = 20 + 0
-8 + 4z = 20

Add '8' to each side of the equation.
-8 + 8 + 4z = 20 + 8

Combine like terms: -8 + 8 = 0
0 + 4z = 20 + 8
4z = 20 + 8

Combine like terms: 20 + 8 = 28
4z = 28

Divide each side by '4'.
z = 7

Simplifying
z = 7

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