2z-9=5z-4z

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Solution for 2z-9=5z-4z equation:


Simplifying
2z + -9 = 5z + -4z

Reorder the terms:
-9 + 2z = 5z + -4z

Combine like terms: 5z + -4z = 1z
-9 + 2z = 1z

Solving
-9 + 2z = 1z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
-9 + 2z + -1z = 1z + -1z

Combine like terms: 2z + -1z = 1z
-9 + 1z = 1z + -1z

Combine like terms: 1z + -1z = 0
-9 + 1z = 0

Add '9' to each side of the equation.
-9 + 9 + 1z = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 1z = 0 + 9
1z = 0 + 9

Combine like terms: 0 + 9 = 9
1z = 9

Divide each side by '1'.
z = 9

Simplifying
z = 9

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