(n+4)-(-3n-7)=

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Solution for (n+4)-(-3n-7)= equation:


Simplifying
(n + 4) + -1(-3n + -7) = 0

Reorder the terms:
(4 + n) + -1(-3n + -7) = 0

Remove parenthesis around (4 + n)
4 + n + -1(-3n + -7) = 0

Reorder the terms:
4 + n + -1(-7 + -3n) = 0
4 + n + (-7 * -1 + -3n * -1) = 0
4 + n + (7 + 3n) = 0

Reorder the terms:
4 + 7 + n + 3n = 0

Combine like terms: 4 + 7 = 11
11 + n + 3n = 0

Combine like terms: n + 3n = 4n
11 + 4n = 0

Solving
11 + 4n = 0

Solving for variable 'n'.

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

Add '-11' to each side of the equation.
11 + -11 + 4n = 0 + -11

Combine like terms: 11 + -11 = 0
0 + 4n = 0 + -11
4n = 0 + -11

Combine like terms: 0 + -11 = -11
4n = -11

Divide each side by '4'.
n = -2.75

Simplifying
n = -2.75

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