8z-5=9z-4

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Solution for 8z-5=9z-4 equation:


Simplifying
8z + -5 = 9z + -4

Reorder the terms:
-5 + 8z = 9z + -4

Reorder the terms:
-5 + 8z = -4 + 9z

Solving
-5 + 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.
-5 + 8z + -9z = -4 + 9z + -9z

Combine like terms: 8z + -9z = -1z
-5 + -1z = -4 + 9z + -9z

Combine like terms: 9z + -9z = 0
-5 + -1z = -4 + 0
-5 + -1z = -4

Add '5' to each side of the equation.
-5 + 5 + -1z = -4 + 5

Combine like terms: -5 + 5 = 0
0 + -1z = -4 + 5
-1z = -4 + 5

Combine like terms: -4 + 5 = 1
-1z = 1

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

Simplifying
z = -1

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