9z+2=8z-1

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Solution for 9z+2=8z-1 equation:


Simplifying
9z + 2 = 8z + -1

Reorder the terms:
2 + 9z = 8z + -1

Reorder the terms:
2 + 9z = -1 + 8z

Solving
2 + 9z = -1 + 8z

Solving for variable 'z'.

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

Add '-8z' to each side of the equation.
2 + 9z + -8z = -1 + 8z + -8z

Combine like terms: 9z + -8z = 1z
2 + 1z = -1 + 8z + -8z

Combine like terms: 8z + -8z = 0
2 + 1z = -1 + 0
2 + 1z = -1

Add '-2' to each side of the equation.
2 + -2 + 1z = -1 + -2

Combine like terms: 2 + -2 = 0
0 + 1z = -1 + -2
1z = -1 + -2

Combine like terms: -1 + -2 = -3
1z = -3

Divide each side by '1'.
z = -3

Simplifying
z = -3

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