9-(-3n-4)=4-4n

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Solution for 9-(-3n-4)=4-4n equation:


Simplifying
9 + -1(-3n + -4) = 4 + -4n

Reorder the terms:
9 + -1(-4 + -3n) = 4 + -4n
9 + (-4 * -1 + -3n * -1) = 4 + -4n
9 + (4 + 3n) = 4 + -4n

Combine like terms: 9 + 4 = 13
13 + 3n = 4 + -4n

Solving
13 + 3n = 4 + -4n

Solving for variable 'n'.

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

Add '4n' to each side of the equation.
13 + 3n + 4n = 4 + -4n + 4n

Combine like terms: 3n + 4n = 7n
13 + 7n = 4 + -4n + 4n

Combine like terms: -4n + 4n = 0
13 + 7n = 4 + 0
13 + 7n = 4

Add '-13' to each side of the equation.
13 + -13 + 7n = 4 + -13

Combine like terms: 13 + -13 = 0
0 + 7n = 4 + -13
7n = 4 + -13

Combine like terms: 4 + -13 = -9
7n = -9

Divide each side by '7'.
n = -1.285714286

Simplifying
n = -1.285714286

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