6z-7z=4z-9-z

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Solution for 6z-7z=4z-9-z equation:


Simplifying
6z + -7z = 4z + -9 + -1z

Combine like terms: 6z + -7z = -1z
-1z = 4z + -9 + -1z

Reorder the terms:
-1z = -9 + 4z + -1z

Combine like terms: 4z + -1z = 3z
-1z = -9 + 3z

Solving
-1z = -9 + 3z

Solving for variable 'z'.

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

Add '-3z' to each side of the equation.
-1z + -3z = -9 + 3z + -3z

Combine like terms: -1z + -3z = -4z
-4z = -9 + 3z + -3z

Combine like terms: 3z + -3z = 0
-4z = -9 + 0
-4z = -9

Divide each side by '-4'.
z = 2.25

Simplifying
z = 2.25

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