4(3+5n)+9(n+2)=

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Solution for 4(3+5n)+9(n+2)= equation:


Simplifying
4(3 + 5n) + 9(n + 2) = 0
(3 * 4 + 5n * 4) + 9(n + 2) = 0
(12 + 20n) + 9(n + 2) = 0

Reorder the terms:
12 + 20n + 9(2 + n) = 0
12 + 20n + (2 * 9 + n * 9) = 0
12 + 20n + (18 + 9n) = 0

Reorder the terms:
12 + 18 + 20n + 9n = 0

Combine like terms: 12 + 18 = 30
30 + 20n + 9n = 0

Combine like terms: 20n + 9n = 29n
30 + 29n = 0

Solving
30 + 29n = 0

Solving for variable 'n'.

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

Add '-30' to each side of the equation.
30 + -30 + 29n = 0 + -30

Combine like terms: 30 + -30 = 0
0 + 29n = 0 + -30
29n = 0 + -30

Combine like terms: 0 + -30 = -30
29n = -30

Divide each side by '29'.
n = -1.034482759

Simplifying
n = -1.034482759

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