4(3-5n)=12+n

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Solution for 4(3-5n)=12+n equation:


Simplifying
4(3 + -5n) = 12 + n
(3 * 4 + -5n * 4) = 12 + n
(12 + -20n) = 12 + n

Add '-12' to each side of the equation.
12 + -12 + -20n = 12 + -12 + n

Combine like terms: 12 + -12 = 0
0 + -20n = 12 + -12 + n
-20n = 12 + -12 + n

Combine like terms: 12 + -12 = 0
-20n = 0 + n
-20n = n

Solving
-20n = 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.
-20n + -1n = n + -1n

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

Combine like terms: n + -1n = 0
-21n = 0

Divide each side by '-21'.
n = 0

Simplifying
n = 0

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