4n-3(4-5n)=9-(n-19)

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Solution for 4n-3(4-5n)=9-(n-19) equation:


Simplifying
4n + -3(4 + -5n) = 9 + -1(n + -19)
4n + (4 * -3 + -5n * -3) = 9 + -1(n + -19)
4n + (-12 + 15n) = 9 + -1(n + -19)

Reorder the terms:
-12 + 4n + 15n = 9 + -1(n + -19)

Combine like terms: 4n + 15n = 19n
-12 + 19n = 9 + -1(n + -19)

Reorder the terms:
-12 + 19n = 9 + -1(-19 + n)
-12 + 19n = 9 + (-19 * -1 + n * -1)
-12 + 19n = 9 + (19 + -1n)

Combine like terms: 9 + 19 = 28
-12 + 19n = 28 + -1n

Solving
-12 + 19n = 28 + -1n

Solving for variable 'n'.

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

Add 'n' to each side of the equation.
-12 + 19n + n = 28 + -1n + n

Combine like terms: 19n + n = 20n
-12 + 20n = 28 + -1n + n

Combine like terms: -1n + n = 0
-12 + 20n = 28 + 0
-12 + 20n = 28

Add '12' to each side of the equation.
-12 + 12 + 20n = 28 + 12

Combine like terms: -12 + 12 = 0
0 + 20n = 28 + 12
20n = 28 + 12

Combine like terms: 28 + 12 = 40
20n = 40

Divide each side by '20'.
n = 2

Simplifying
n = 2

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