39=-3(23-z)+3(z-2)

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Solution for 39=-3(23-z)+3(z-2) equation:


Simplifying
39 = -3(23 + -1z) + 3(z + -2)
39 = (23 * -3 + -1z * -3) + 3(z + -2)
39 = (-69 + 3z) + 3(z + -2)

Reorder the terms:
39 = -69 + 3z + 3(-2 + z)
39 = -69 + 3z + (-2 * 3 + z * 3)
39 = -69 + 3z + (-6 + 3z)

Reorder the terms:
39 = -69 + -6 + 3z + 3z

Combine like terms: -69 + -6 = -75
39 = -75 + 3z + 3z

Combine like terms: 3z + 3z = 6z
39 = -75 + 6z

Solving
39 = -75 + 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.
39 + -6z = -75 + 6z + -6z

Combine like terms: 6z + -6z = 0
39 + -6z = -75 + 0
39 + -6z = -75

Add '-39' to each side of the equation.
39 + -39 + -6z = -75 + -39

Combine like terms: 39 + -39 = 0
0 + -6z = -75 + -39
-6z = -75 + -39

Combine like terms: -75 + -39 = -114
-6z = -114

Divide each side by '-6'.
z = 19

Simplifying
z = 19

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