9z+9=8z-5z

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


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

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

Combine like terms: 8z + -5z = 3z
9 + 9z = 3z

Solving
9 + 9z = 3z

Solving for variable 'z'.

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

Add '-3z' to each side of the equation.
9 + 9z + -3z = 3z + -3z

Combine like terms: 9z + -3z = 6z
9 + 6z = 3z + -3z

Combine like terms: 3z + -3z = 0
9 + 6z = 0

Add '-9' to each side of the equation.
9 + -9 + 6z = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 6z = 0 + -9
6z = 0 + -9

Combine like terms: 0 + -9 = -9
6z = -9

Divide each side by '6'.
z = -1.5

Simplifying
z = -1.5

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