9=7z-13z-3

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Solution for 9=7z-13z-3 equation:


Simplifying
9 = 7z + -13z + -3

Reorder the terms:
9 = -3 + 7z + -13z

Combine like terms: 7z + -13z = -6z
9 = -3 + -6z

Solving
9 = -3 + -6z

Solving for variable 'z'.

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

Add '6z' to each side of the equation.
9 + 6z = -3 + -6z + 6z

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

Add '-9' to each side of the equation.
9 + -9 + 6z = -3 + -9

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

Combine like terms: -3 + -9 = -12
6z = -12

Divide each side by '6'.
z = -2

Simplifying
z = -2

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