9-(2n-1)=9-3n

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Solution for 9-(2n-1)=9-3n equation: 


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

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

Combine like terms: 9 + 1 = 10
10 + -2n = 9 + -3n

Solving
10 + -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.
10 + -2n + 3n = 9 + -3n + 3n

Combine like terms: -2n + 3n = 1n
10 + 1n = 9 + -3n + 3n

Combine like terms: -3n + 3n = 0
10 + 1n = 9 + 0
10 + 1n = 9

Add '-10' to each side of the equation.
10 + -10 + 1n = 9 + -10

Combine like terms: 10 + -10 = 0
0 + 1n = 9 + -10
1n = 9 + -10

Combine like terms: 9 + -10 = -1
1n = -1

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

Simplifying
n = -1

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