7n-20=(4n+1)

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Solution for 7n-20=(4n+1) equation:


Simplifying
7n + -20 = (4n + 1)

Reorder the terms:
-20 + 7n = (4n + 1)

Reorder the terms:
-20 + 7n = (1 + 4n)

Remove parenthesis around (1 + 4n)
-20 + 7n = 1 + 4n

Solving
-20 + 7n = 1 + 4n

Solving for variable 'n'.

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

Add '-4n' to each side of the equation.
-20 + 7n + -4n = 1 + 4n + -4n

Combine like terms: 7n + -4n = 3n
-20 + 3n = 1 + 4n + -4n

Combine like terms: 4n + -4n = 0
-20 + 3n = 1 + 0
-20 + 3n = 1

Add '20' to each side of the equation.
-20 + 20 + 3n = 1 + 20

Combine like terms: -20 + 20 = 0
0 + 3n = 1 + 20
3n = 1 + 20

Combine like terms: 1 + 20 = 21
3n = 21

Divide each side by '3'.
n = 7

Simplifying
n = 7

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