-9=4-(7-n)

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


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

Combine like terms: 4 + -7 = -3
-9 = -3 + 1n

Solving
-9 = -3 + 1n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
-9 + -1n = -3 + 1n + -1n

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

Add '9' to each side of the equation.
-9 + 9 + -1n = -3 + 9

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

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

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

Simplifying
n = -6

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