9z+4=z-2

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Solution for 9z+4=z-2 equation:


Simplifying
9z + 4 = z + -2

Reorder the terms:
4 + 9z = z + -2

Reorder the terms:
4 + 9z = -2 + z

Solving
4 + 9z = -2 + z

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.
4 + 9z + -1z = -2 + z + -1z

Combine like terms: 9z + -1z = 8z
4 + 8z = -2 + z + -1z

Combine like terms: z + -1z = 0
4 + 8z = -2 + 0
4 + 8z = -2

Add '-4' to each side of the equation.
4 + -4 + 8z = -2 + -4

Combine like terms: 4 + -4 = 0
0 + 8z = -2 + -4
8z = -2 + -4

Combine like terms: -2 + -4 = -6
8z = -6

Divide each side by '8'.
z = -0.75

Simplifying
z = -0.75

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