-9z-2z=2z-1+7z

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Solution for -9z-2z=2z-1+7z equation:


Simplifying
-9z + -2z = 2z + -1 + 7z

Combine like terms: -9z + -2z = -11z
-11z = 2z + -1 + 7z

Reorder the terms:
-11z = -1 + 2z + 7z

Combine like terms: 2z + 7z = 9z
-11z = -1 + 9z

Solving
-11z = -1 + 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.
-11z + -9z = -1 + 9z + -9z

Combine like terms: -11z + -9z = -20z
-20z = -1 + 9z + -9z

Combine like terms: 9z + -9z = 0
-20z = -1 + 0
-20z = -1

Divide each side by '-20'.
z = 0.05

Simplifying
z = 0.05

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