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

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


Simplifying
2(3n + -4) + -1(3n + 4) = 0

Reorder the terms:
2(-4 + 3n) + -1(3n + 4) = 0
(-4 * 2 + 3n * 2) + -1(3n + 4) = 0
(-8 + 6n) + -1(3n + 4) = 0

Reorder the terms:
-8 + 6n + -1(4 + 3n) = 0
-8 + 6n + (4 * -1 + 3n * -1) = 0
-8 + 6n + (-4 + -3n) = 0

Reorder the terms:
-8 + -4 + 6n + -3n = 0

Combine like terms: -8 + -4 = -12
-12 + 6n + -3n = 0

Combine like terms: 6n + -3n = 3n
-12 + 3n = 0

Solving
-12 + 3n = 0

Solving for variable 'n'.

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

Add '12' to each side of the equation.
-12 + 12 + 3n = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 3n = 0 + 12
3n = 0 + 12

Combine like terms: 0 + 12 = 12
3n = 12

Divide each side by '3'.
n = 4

Simplifying
n = 4

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