20=4(3z-6)

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Solution for 20=4(3z-6) equation:


Simplifying
20 = 4(3z + -6)

Reorder the terms:
20 = 4(-6 + 3z)
20 = (-6 * 4 + 3z * 4)
20 = (-24 + 12z)

Solving
20 = -24 + 12z

Solving for variable 'z'.

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

Add '-12z' to each side of the equation.
20 + -12z = -24 + 12z + -12z

Combine like terms: 12z + -12z = 0
20 + -12z = -24 + 0
20 + -12z = -24

Add '-20' to each side of the equation.
20 + -20 + -12z = -24 + -20

Combine like terms: 20 + -20 = 0
0 + -12z = -24 + -20
-12z = -24 + -20

Combine like terms: -24 + -20 = -44
-12z = -44

Divide each side by '-12'.
z = 3.666666667

Simplifying
z = 3.666666667

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