-z+7z=3z-3-9z

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Solution for -z+7z=3z-3-9z equation:


Simplifying
-1z + 7z = 3z + -3 + -9z

Combine like terms: -1z + 7z = 6z
6z = 3z + -3 + -9z

Reorder the terms:
6z = -3 + 3z + -9z

Combine like terms: 3z + -9z = -6z
6z = -3 + -6z

Solving
6z = -3 + -6z

Solving for variable 'z'.

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

Add '6z' to each side of the equation.
6z + 6z = -3 + -6z + 6z

Combine like terms: 6z + 6z = 12z
12z = -3 + -6z + 6z

Combine like terms: -6z + 6z = 0
12z = -3 + 0
12z = -3

Divide each side by '12'.
z = -0.25

Simplifying
z = -0.25

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