3n-(6n+7)=7-(7n-9)

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Solution for 3n-(6n+7)=7-(7n-9) equation:


Simplifying
3n + -1(6n + 7) = 7 + -1(7n + -9)

Reorder the terms:
3n + -1(7 + 6n) = 7 + -1(7n + -9)
3n + (7 * -1 + 6n * -1) = 7 + -1(7n + -9)
3n + (-7 + -6n) = 7 + -1(7n + -9)

Reorder the terms:
-7 + 3n + -6n = 7 + -1(7n + -9)

Combine like terms: 3n + -6n = -3n
-7 + -3n = 7 + -1(7n + -9)

Reorder the terms:
-7 + -3n = 7 + -1(-9 + 7n)
-7 + -3n = 7 + (-9 * -1 + 7n * -1)
-7 + -3n = 7 + (9 + -7n)

Combine like terms: 7 + 9 = 16
-7 + -3n = 16 + -7n

Solving
-7 + -3n = 16 + -7n

Solving for variable 'n'.

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

Add '7n' to each side of the equation.
-7 + -3n + 7n = 16 + -7n + 7n

Combine like terms: -3n + 7n = 4n
-7 + 4n = 16 + -7n + 7n

Combine like terms: -7n + 7n = 0
-7 + 4n = 16 + 0
-7 + 4n = 16

Add '7' to each side of the equation.
-7 + 7 + 4n = 16 + 7

Combine like terms: -7 + 7 = 0
0 + 4n = 16 + 7
4n = 16 + 7

Combine like terms: 16 + 7 = 23
4n = 23

Divide each side by '4'.
n = 5.75

Simplifying
n = 5.75

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