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

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


Simplifying
3(3n + 4) + -2(2n + 5) = 0

Reorder the terms:
3(4 + 3n) + -2(2n + 5) = 0
(4 * 3 + 3n * 3) + -2(2n + 5) = 0
(12 + 9n) + -2(2n + 5) = 0

Reorder the terms:
12 + 9n + -2(5 + 2n) = 0
12 + 9n + (5 * -2 + 2n * -2) = 0
12 + 9n + (-10 + -4n) = 0

Reorder the terms:
12 + -10 + 9n + -4n = 0

Combine like terms: 12 + -10 = 2
2 + 9n + -4n = 0

Combine like terms: 9n + -4n = 5n
2 + 5n = 0

Solving
2 + 5n = 0

Solving for variable 'n'.

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

Add '-2' to each side of the equation.
2 + -2 + 5n = 0 + -2

Combine like terms: 2 + -2 = 0
0 + 5n = 0 + -2
5n = 0 + -2

Combine like terms: 0 + -2 = -2
5n = -2

Divide each side by '5'.
n = -0.4

Simplifying
n = -0.4

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