8+2z=9z-4

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Solution for 8+2z=9z-4 equation:


Simplifying
8 + 2z = 9z + -4

Reorder the terms:
8 + 2z = -4 + 9z

Solving
8 + 2z = -4 + 9z

Solving for variable 'z'.

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

Add '-9z' to each side of the equation.
8 + 2z + -9z = -4 + 9z + -9z

Combine like terms: 2z + -9z = -7z
8 + -7z = -4 + 9z + -9z

Combine like terms: 9z + -9z = 0
8 + -7z = -4 + 0
8 + -7z = -4

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

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

Combine like terms: -4 + -8 = -12
-7z = -12

Divide each side by '-7'.
z = 1.714285714

Simplifying
z = 1.714285714

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