-3(z-3)=-z

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


Simplifying
-3(z + -3) = -1z

Reorder the terms:
-3(-3 + z) = -1z
(-3 * -3 + z * -3) = -1z
(9 + -3z) = -1z

Solving
9 + -3z = -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.
9 + -3z + z = -1z + z

Combine like terms: -3z + z = -2z
9 + -2z = -1z + z

Combine like terms: -1z + z = 0
9 + -2z = 0

Add '-9' to each side of the equation.
9 + -9 + -2z = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -2z = 0 + -9
-2z = 0 + -9

Combine like terms: 0 + -9 = -9
-2z = -9

Divide each side by '-2'.
z = 4.5

Simplifying
z = 4.5

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