9z-4=2z+8

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


Simplifying
9z + -4 = 2z + 8

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

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

Solving
-4 + 9z = 8 + 2z

Solving for variable 'z'.

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

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

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

Combine like terms: 2z + -2z = 0
-4 + 7z = 8 + 0
-4 + 7z = 8

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

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

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

Divide each side by '7'.
z = 1.714285714

Simplifying
z = 1.714285714

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