-7z+9z=5z+9-2z

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Solution for -7z+9z=5z+9-2z equation:


Simplifying
-7z + 9z = 5z + 9 + -2z

Combine like terms: -7z + 9z = 2z
2z = 5z + 9 + -2z

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

Combine like terms: 5z + -2z = 3z
2z = 9 + 3z

Solving
2z = 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.
2z + -3z = 9 + 3z + -3z

Combine like terms: 2z + -3z = -1z
-1z = 9 + 3z + -3z

Combine like terms: 3z + -3z = 0
-1z = 9 + 0
-1z = 9

Divide each side by '-1'.
z = -9

Simplifying
z = -9

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