20=5z-8-2

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Solution for 20=5z-8-2 equation:


Simplifying
20 = 5z + -8 + -2

Reorder the terms:
20 = -8 + -2 + 5z

Combine like terms: -8 + -2 = -10
20 = -10 + 5z

Solving
20 = -10 + 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 = -10 + 5z + -5z

Combine like terms: 5z + -5z = 0
20 + -5z = -10 + 0
20 + -5z = -10

Add '-20' to each side of the equation.
20 + -20 + -5z = -10 + -20

Combine like terms: 20 + -20 = 0
0 + -5z = -10 + -20
-5z = -10 + -20

Combine like terms: -10 + -20 = -30
-5z = -30

Divide each side by '-5'.
z = 6

Simplifying
z = 6

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