7(n+5)-2(n-4)=n-3+6-4n

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Solution for 7(n+5)-2(n-4)=n-3+6-4n equation:


Simplifying
7(n + 5) + -2(n + -4) = n + -3 + 6 + -4n

Reorder the terms:
7(5 + n) + -2(n + -4) = n + -3 + 6 + -4n
(5 * 7 + n * 7) + -2(n + -4) = n + -3 + 6 + -4n
(35 + 7n) + -2(n + -4) = n + -3 + 6 + -4n

Reorder the terms:
35 + 7n + -2(-4 + n) = n + -3 + 6 + -4n
35 + 7n + (-4 * -2 + n * -2) = n + -3 + 6 + -4n
35 + 7n + (8 + -2n) = n + -3 + 6 + -4n

Reorder the terms:
35 + 8 + 7n + -2n = n + -3 + 6 + -4n

Combine like terms: 35 + 8 = 43
43 + 7n + -2n = n + -3 + 6 + -4n

Combine like terms: 7n + -2n = 5n
43 + 5n = n + -3 + 6 + -4n

Reorder the terms:
43 + 5n = -3 + 6 + n + -4n

Combine like terms: -3 + 6 = 3
43 + 5n = 3 + n + -4n

Combine like terms: n + -4n = -3n
43 + 5n = 3 + -3n

Solving
43 + 5n = 3 + -3n

Solving for variable 'n'.

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

Add '3n' to each side of the equation.
43 + 5n + 3n = 3 + -3n + 3n

Combine like terms: 5n + 3n = 8n
43 + 8n = 3 + -3n + 3n

Combine like terms: -3n + 3n = 0
43 + 8n = 3 + 0
43 + 8n = 3

Add '-43' to each side of the equation.
43 + -43 + 8n = 3 + -43

Combine like terms: 43 + -43 = 0
0 + 8n = 3 + -43
8n = 3 + -43

Combine like terms: 3 + -43 = -40
8n = -40

Divide each side by '8'.
n = -5

Simplifying
n = -5

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