[7(n+5)-16]-[3(n-4)+3]=

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Solution for [7(n+5)-16]-[3(n-4)+3]= equation:


Simplifying
[7(n + 5) + -16] + -1[3(n + -4) + 3] = 0

Reorder the terms:
[7(5 + n) + -16] + -1[3(n + -4) + 3] = 0
[(5 * 7 + n * 7) + -16] + -1[3(n + -4) + 3] = 0
[(35 + 7n) + -16] + -1[3(n + -4) + 3] = 0

Reorder the terms:
[35 + -16 + 7n] + -1[3(n + -4) + 3] = 0

Combine like terms: 35 + -16 = 19
[19 + 7n] + -1[3(n + -4) + 3] = 0

Remove brackets around [19 + 7n]
19 + 7n + -1[3(n + -4) + 3] = 0

Reorder the terms:
19 + 7n + -1[3(-4 + n) + 3] = 0
19 + 7n + -1[(-4 * 3 + n * 3) + 3] = 0
19 + 7n + -1[(-12 + 3n) + 3] = 0

Reorder the terms:
19 + 7n + -1[-12 + 3 + 3n] = 0

Combine like terms: -12 + 3 = -9
19 + 7n + -1[-9 + 3n] = 0
19 + 7n + [-9 * -1 + 3n * -1] = 0
19 + 7n + [9 + -3n] = 0

Reorder the terms:
19 + 9 + 7n + -3n = 0

Combine like terms: 19 + 9 = 28
28 + 7n + -3n = 0

Combine like terms: 7n + -3n = 4n
28 + 4n = 0

Solving
28 + 4n = 0

Solving for variable 'n'.

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

Add '-28' to each side of the equation.
28 + -28 + 4n = 0 + -28

Combine like terms: 28 + -28 = 0
0 + 4n = 0 + -28
4n = 0 + -28

Combine like terms: 0 + -28 = -28
4n = -28

Divide each side by '4'.
n = -7

Simplifying
n = -7

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