4(n+7)+8(n+9)=

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Solution for 4(n+7)+8(n+9)= equation:


Simplifying
4(n + 7) + 8(n + 9) = 0

Reorder the terms:
4(7 + n) + 8(n + 9) = 0
(7 * 4 + n * 4) + 8(n + 9) = 0
(28 + 4n) + 8(n + 9) = 0

Reorder the terms:
28 + 4n + 8(9 + n) = 0
28 + 4n + (9 * 8 + n * 8) = 0
28 + 4n + (72 + 8n) = 0

Reorder the terms:
28 + 72 + 4n + 8n = 0

Combine like terms: 28 + 72 = 100
100 + 4n + 8n = 0

Combine like terms: 4n + 8n = 12n
100 + 12n = 0

Solving
100 + 12n = 0

Solving for variable 'n'.

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

Add '-100' to each side of the equation.
100 + -100 + 12n = 0 + -100

Combine like terms: 100 + -100 = 0
0 + 12n = 0 + -100
12n = 0 + -100

Combine like terms: 0 + -100 = -100
12n = -100

Divide each side by '12'.
n = -8.333333333

Simplifying
n = -8.333333333

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