4n+20=n+40

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Solution for 4n+20=n+40 equation:


Simplifying
4n + 20 = n + 40

Reorder the terms:
20 + 4n = n + 40

Reorder the terms:
20 + 4n = 40 + n

Solving
20 + 4n = 40 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
20 + 4n + -1n = 40 + n + -1n

Combine like terms: 4n + -1n = 3n
20 + 3n = 40 + n + -1n

Combine like terms: n + -1n = 0
20 + 3n = 40 + 0
20 + 3n = 40

Add '-20' to each side of the equation.
20 + -20 + 3n = 40 + -20

Combine like terms: 20 + -20 = 0
0 + 3n = 40 + -20
3n = 40 + -20

Combine like terms: 40 + -20 = 20
3n = 20

Divide each side by '3'.
n = 6.666666667

Simplifying
n = 6.666666667

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