-3z+9z=3z-2-2z

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Solution for -3z+9z=3z-2-2z equation:


Simplifying
-3z + 9z = 3z + -2 + -2z

Combine like terms: -3z + 9z = 6z
6z = 3z + -2 + -2z

Reorder the terms:
6z = -2 + 3z + -2z

Combine like terms: 3z + -2z = 1z
6z = -2 + 1z

Solving
6z = -2 + 1z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
6z + -1z = -2 + 1z + -1z

Combine like terms: 6z + -1z = 5z
5z = -2 + 1z + -1z

Combine like terms: 1z + -1z = 0
5z = -2 + 0
5z = -2

Divide each side by '5'.
z = -0.4

Simplifying
z = -0.4

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