3(5n-3)-4n=13+2(n+7)-3n

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Solution for 3(5n-3)-4n=13+2(n+7)-3n equation:


Simplifying
3(5n + -3) + -4n = 13 + 2(n + 7) + -3n

Reorder the terms:
3(-3 + 5n) + -4n = 13 + 2(n + 7) + -3n
(-3 * 3 + 5n * 3) + -4n = 13 + 2(n + 7) + -3n
(-9 + 15n) + -4n = 13 + 2(n + 7) + -3n

Combine like terms: 15n + -4n = 11n
-9 + 11n = 13 + 2(n + 7) + -3n

Reorder the terms:
-9 + 11n = 13 + 2(7 + n) + -3n
-9 + 11n = 13 + (7 * 2 + n * 2) + -3n
-9 + 11n = 13 + (14 + 2n) + -3n

Combine like terms: 13 + 14 = 27
-9 + 11n = 27 + 2n + -3n

Combine like terms: 2n + -3n = -1n
-9 + 11n = 27 + -1n

Solving
-9 + 11n = 27 + -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.
-9 + 11n + n = 27 + -1n + n

Combine like terms: 11n + n = 12n
-9 + 12n = 27 + -1n + n

Combine like terms: -1n + n = 0
-9 + 12n = 27 + 0
-9 + 12n = 27

Add '9' to each side of the equation.
-9 + 9 + 12n = 27 + 9

Combine like terms: -9 + 9 = 0
0 + 12n = 27 + 9
12n = 27 + 9

Combine like terms: 27 + 9 = 36
12n = 36

Divide each side by '12'.
n = 3

Simplifying
n = 3

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