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

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


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

Reorder the terms:
n + 3n + -2(5 + 3n) = 5
n + 3n + (5 * -2 + 3n * -2) = 5
n + 3n + (-10 + -6n) = 5

Reorder the terms:
-10 + n + 3n + -6n = 5

Combine like terms: n + 3n = 4n
-10 + 4n + -6n = 5

Combine like terms: 4n + -6n = -2n
-10 + -2n = 5

Solving
-10 + -2n = 5

Solving for variable 'n'.

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

Add '10' to each side of the equation.
-10 + 10 + -2n = 5 + 10

Combine like terms: -10 + 10 = 0
0 + -2n = 5 + 10
-2n = 5 + 10

Combine like terms: 5 + 10 = 15
-2n = 15

Divide each side by '-2'.
n = -7.5

Simplifying
n = -7.5

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