-9-7z=-9z+9

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


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

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

Solving
-9 + -7z = 9 + -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.
-9 + -7z + 9z = 9 + -9z + 9z

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

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

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

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

Combine like terms: 9 + 9 = 18
2z = 18

Divide each side by '2'.
z = 9

Simplifying
z = 9

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