8z-4=9z+4

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


Simplifying
8z + -4 = 9z + 4

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

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

Solving
-4 + 8z = 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.
-4 + 8z + -9z = 4 + 9z + -9z

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

Combine like terms: 9z + -9z = 0
-4 + -1z = 4 + 0
-4 + -1z = 4

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

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

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

Divide each side by '-1'.
z = -8

Simplifying
z = -8

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