9z+13=2z-1

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Solution for 9z+13=2z-1 equation:


Simplifying
9z + 13 = 2z + -1

Reorder the terms:
13 + 9z = 2z + -1

Reorder the terms:
13 + 9z = -1 + 2z

Solving
13 + 9z = -1 + 2z

Solving for variable 'z'.

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

Add '-2z' to each side of the equation.
13 + 9z + -2z = -1 + 2z + -2z

Combine like terms: 9z + -2z = 7z
13 + 7z = -1 + 2z + -2z

Combine like terms: 2z + -2z = 0
13 + 7z = -1 + 0
13 + 7z = -1

Add '-13' to each side of the equation.
13 + -13 + 7z = -1 + -13

Combine like terms: 13 + -13 = 0
0 + 7z = -1 + -13
7z = -1 + -13

Combine like terms: -1 + -13 = -14
7z = -14

Divide each side by '7'.
z = -2

Simplifying
z = -2

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