8z+4=9z+9

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


Simplifying
8z + 4 = 9z + 9

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

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

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

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

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

Add '-4' to each side of the equation.
4 + -4 + -1z = 9 + -4

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

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

Divide each side by '-1'.
z = -5

Simplifying
z = -5

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