9-(3n-4)=7-4n

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Solution for 9-(3n-4)=7-4n equation:


Simplifying
9 + -1(3n + -4) = 7 + -4n

Reorder the terms:
9 + -1(-4 + 3n) = 7 + -4n
9 + (-4 * -1 + 3n * -1) = 7 + -4n
9 + (4 + -3n) = 7 + -4n

Combine like terms: 9 + 4 = 13
13 + -3n = 7 + -4n

Solving
13 + -3n = 7 + -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 = 7 + -4n + 4n

Combine like terms: -3n + 4n = 1n
13 + 1n = 7 + -4n + 4n

Combine like terms: -4n + 4n = 0
13 + 1n = 7 + 0
13 + 1n = 7

Add '-13' to each side of the equation.
13 + -13 + 1n = 7 + -13

Combine like terms: 13 + -13 = 0
0 + 1n = 7 + -13
1n = 7 + -13

Combine like terms: 7 + -13 = -6
1n = -6

Divide each side by '1'.
n = -6

Simplifying
n = -6

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