7-(2n-4)=9-3n

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Solution for 7-(2n-4)=9-3n equation:


Simplifying
7 + -1(2n + -4) = 9 + -3n

Reorder the terms:
7 + -1(-4 + 2n) = 9 + -3n
7 + (-4 * -1 + 2n * -1) = 9 + -3n
7 + (4 + -2n) = 9 + -3n

Combine like terms: 7 + 4 = 11
11 + -2n = 9 + -3n

Solving
11 + -2n = 9 + -3n

Solving for variable 'n'.

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

Add '3n' to each side of the equation.
11 + -2n + 3n = 9 + -3n + 3n

Combine like terms: -2n + 3n = 1n
11 + 1n = 9 + -3n + 3n

Combine like terms: -3n + 3n = 0
11 + 1n = 9 + 0
11 + 1n = 9

Add '-11' to each side of the equation.
11 + -11 + 1n = 9 + -11

Combine like terms: 11 + -11 = 0
0 + 1n = 9 + -11
1n = 9 + -11

Combine like terms: 9 + -11 = -2
1n = -2

Divide each side by '1'.
n = -2

Simplifying
n = -2

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