20=4+5(z-6)

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Solution for 20=4+5(z-6) equation:


Simplifying
20 = 4 + 5(z + -6)

Reorder the terms:
20 = 4 + 5(-6 + z)
20 = 4 + (-6 * 5 + z * 5)
20 = 4 + (-30 + 5z)

Combine like terms: 4 + -30 = -26
20 = -26 + 5z

Solving
20 = -26 + 5z

Solving for variable 'z'.

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

Add '-5z' to each side of the equation.
20 + -5z = -26 + 5z + -5z

Combine like terms: 5z + -5z = 0
20 + -5z = -26 + 0
20 + -5z = -26

Add '-20' to each side of the equation.
20 + -20 + -5z = -26 + -20

Combine like terms: 20 + -20 = 0
0 + -5z = -26 + -20
-5z = -26 + -20

Combine like terms: -26 + -20 = -46
-5z = -46

Divide each side by '-5'.
z = 9.2

Simplifying
z = 9.2

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