7z-16=9z

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Solution for 7z-16=9z equation:


Simplifying
7z + -16 = 9z

Reorder the terms:
-16 + 7z = 9z

Solving
-16 + 7z = 9z

Solving for variable 'z'.

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

Add '-9z' to each side of the equation.
-16 + 7z + -9z = 9z + -9z

Combine like terms: 7z + -9z = -2z
-16 + -2z = 9z + -9z

Combine like terms: 9z + -9z = 0
-16 + -2z = 0

Add '16' to each side of the equation.
-16 + 16 + -2z = 0 + 16

Combine like terms: -16 + 16 = 0
0 + -2z = 0 + 16
-2z = 0 + 16

Combine like terms: 0 + 16 = 16
-2z = 16

Divide each side by '-2'.
z = -8

Simplifying
z = -8

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