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

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


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

Combine like terms: 2z + -7z = -5z
-5z = -1z + -1 + -9z

Reorder the terms:
-5z = -1 + -1z + -9z

Combine like terms: -1z + -9z = -10z
-5z = -1 + -10z

Solving
-5z = -1 + -10z

Solving for variable 'z'.

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

Add '10z' to each side of the equation.
-5z + 10z = -1 + -10z + 10z

Combine like terms: -5z + 10z = 5z
5z = -1 + -10z + 10z

Combine like terms: -10z + 10z = 0
5z = -1 + 0
5z = -1

Divide each side by '5'.
z = -0.2

Simplifying
z = -0.2

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