4n+3(5-n)=3(n-3)

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


Simplifying
4n + 3(5 + -1n) = 3(n + -3)
4n + (5 * 3 + -1n * 3) = 3(n + -3)
4n + (15 + -3n) = 3(n + -3)

Reorder the terms:
15 + 4n + -3n = 3(n + -3)

Combine like terms: 4n + -3n = 1n
15 + 1n = 3(n + -3)

Reorder the terms:
15 + 1n = 3(-3 + n)
15 + 1n = (-3 * 3 + n * 3)
15 + 1n = (-9 + 3n)

Solving
15 + 1n = -9 + 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
15 + 1n + -3n = -9 + 3n + -3n

Combine like terms: 1n + -3n = -2n
15 + -2n = -9 + 3n + -3n

Combine like terms: 3n + -3n = 0
15 + -2n = -9 + 0
15 + -2n = -9

Add '-15' to each side of the equation.
15 + -15 + -2n = -9 + -15

Combine like terms: 15 + -15 = 0
0 + -2n = -9 + -15
-2n = -9 + -15

Combine like terms: -9 + -15 = -24
-2n = -24

Divide each side by '-2'.
n = 12

Simplifying
n = 12

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