7z+7z-9=9+5z

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Solution for 7z+7z-9=9+5z equation:


Simplifying
7z + 7z + -9 = 9 + 5z

Reorder the terms:
-9 + 7z + 7z = 9 + 5z

Combine like terms: 7z + 7z = 14z
-9 + 14z = 9 + 5z

Solving
-9 + 14z = 9 + 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.
-9 + 14z + -5z = 9 + 5z + -5z

Combine like terms: 14z + -5z = 9z
-9 + 9z = 9 + 5z + -5z

Combine like terms: 5z + -5z = 0
-9 + 9z = 9 + 0
-9 + 9z = 9

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

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

Combine like terms: 9 + 9 = 18
9z = 18

Divide each side by '9'.
z = 2

Simplifying
z = 2

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