11-8n+12n-7=9(5n+7)-9(5n+3)

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Solution for 11-8n+12n-7=9(5n+7)-9(5n+3) equation:


Simplifying
11 + -8n + 12n + -7 = 9(5n + 7) + -9(5n + 3)

Reorder the terms:
11 + -7 + -8n + 12n = 9(5n + 7) + -9(5n + 3)

Combine like terms: 11 + -7 = 4
4 + -8n + 12n = 9(5n + 7) + -9(5n + 3)

Combine like terms: -8n + 12n = 4n
4 + 4n = 9(5n + 7) + -9(5n + 3)

Reorder the terms:
4 + 4n = 9(7 + 5n) + -9(5n + 3)
4 + 4n = (7 * 9 + 5n * 9) + -9(5n + 3)
4 + 4n = (63 + 45n) + -9(5n + 3)

Reorder the terms:
4 + 4n = 63 + 45n + -9(3 + 5n)
4 + 4n = 63 + 45n + (3 * -9 + 5n * -9)
4 + 4n = 63 + 45n + (-27 + -45n)

Reorder the terms:
4 + 4n = 63 + -27 + 45n + -45n

Combine like terms: 63 + -27 = 36
4 + 4n = 36 + 45n + -45n

Combine like terms: 45n + -45n = 0
4 + 4n = 36 + 0
4 + 4n = 36

Solving
4 + 4n = 36

Solving for variable 'n'.

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

Add '-4' to each side of the equation.
4 + -4 + 4n = 36 + -4

Combine like terms: 4 + -4 = 0
0 + 4n = 36 + -4
4n = 36 + -4

Combine like terms: 36 + -4 = 32
4n = 32

Divide each side by '4'.
n = 8

Simplifying
n = 8

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