9(3-z)=-z

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Solution for 9(3-z)=-z equation:


Simplifying
9(3 + -1z) = -1z
(3 * 9 + -1z * 9) = -1z
(27 + -9z) = -1z

Solving
27 + -9z = -1z

Solving for variable 'z'.

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

Add 'z' to each side of the equation.
27 + -9z + z = -1z + z

Combine like terms: -9z + z = -8z
27 + -8z = -1z + z

Combine like terms: -1z + z = 0
27 + -8z = 0

Add '-27' to each side of the equation.
27 + -27 + -8z = 0 + -27

Combine like terms: 27 + -27 = 0
0 + -8z = 0 + -27
-8z = 0 + -27

Combine like terms: 0 + -27 = -27
-8z = -27

Divide each side by '-8'.
z = 3.375

Simplifying
z = 3.375

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