7Z+8z=8z-4-9z

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Solution for 7Z+8z=8z-4-9z equation:


Simplifying
7Z + 8z = 8z + -4 + -9z

Reorder the terms:
7Z + 8z = -4 + 8z + -9z

Combine like terms: 8z + -9z = -1z
7Z + 8z = -4 + -1z

Solving
7Z + 8z = -4 + -1z

Solving for variable 'Z'.

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

Add '-8z' to each side of the equation.
7Z + 8z + -8z = -4 + -1z + -8z

Combine like terms: 8z + -8z = 0
7Z + 0 = -4 + -1z + -8z
7Z = -4 + -1z + -8z

Combine like terms: -1z + -8z = -9z
7Z = -4 + -9z

Divide each side by '7'.
Z = -0.5714285714 + -1.285714286z

Simplifying
Z = -0.5714285714 + -1.285714286z

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