30=5(n+8)-20

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Solution for 30=5(n+8)-20 equation: 


Simplifying
30 = 5(n + 8) + -20

Reorder the terms:
30 = 5(8 + n) + -20
30 = (8 * 5 + n * 5) + -20
30 = (40 + 5n) + -20

Reorder the terms:
30 = 40 + -20 + 5n

Combine like terms: 40 + -20 = 20
30 = 20 + 5n

Solving
30 = 20 + 5n

Solving for variable 'n'.

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

Add '-5n' to each side of the equation.
30 + -5n = 20 + 5n + -5n

Combine like terms: 5n + -5n = 0
30 + -5n = 20 + 0
30 + -5n = 20

Add '-30' to each side of the equation.
30 + -30 + -5n = 20 + -30

Combine like terms: 30 + -30 = 0
0 + -5n = 20 + -30
-5n = 20 + -30

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

Divide each side by '-5'.
n = 2

Simplifying
n = 2

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