[9(n+4)-19]-2[(n-4)+3]=

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Solution for [9(n+4)-19]-2[(n-4)+3]= equation:


Simplifying
[9(n + 4) + -19] + -2[(n + -4) + 3] = 0

Reorder the terms:
[9(4 + n) + -19] + -2[(n + -4) + 3] = 0
[(4 * 9 + n * 9) + -19] + -2[(n + -4) + 3] = 0
[(36 + 9n) + -19] + -2[(n + -4) + 3] = 0

Reorder the terms:
[36 + -19 + 9n] + -2[(n + -4) + 3] = 0

Combine like terms: 36 + -19 = 17
[17 + 9n] + -2[(n + -4) + 3] = 0

Remove brackets around [17 + 9n]
17 + 9n + -2[(n + -4) + 3] = 0

Reorder the terms:
17 + 9n + -2[(-4 + n) + 3] = 0

Remove parenthesis around (-4 + n)
17 + 9n + -2[-4 + n + 3] = 0

Reorder the terms:
17 + 9n + -2[-4 + 3 + n] = 0

Combine like terms: -4 + 3 = -1
17 + 9n + -2[-1 + n] = 0
17 + 9n + [-1 * -2 + n * -2] = 0
17 + 9n + [2 + -2n] = 0

Reorder the terms:
17 + 2 + 9n + -2n = 0

Combine like terms: 17 + 2 = 19
19 + 9n + -2n = 0

Combine like terms: 9n + -2n = 7n
19 + 7n = 0

Solving
19 + 7n = 0

Solving for variable 'n'.

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

Add '-19' to each side of the equation.
19 + -19 + 7n = 0 + -19

Combine like terms: 19 + -19 = 0
0 + 7n = 0 + -19
7n = 0 + -19

Combine like terms: 0 + -19 = -19
7n = -19

Divide each side by '7'.
n = -2.714285714

Simplifying
n = -2.714285714

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