9(n-1)-4n=1

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Solution for 9(n-1)-4n=1 equation:


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

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

Combine like terms: 9n + -4n = 5n
-9 + 5n = 1

Solving
-9 + 5n = 1

Solving for variable 'n'.

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

Add '9' to each side of the equation.
-9 + 9 + 5n = 1 + 9

Combine like terms: -9 + 9 = 0
0 + 5n = 1 + 9
5n = 1 + 9

Combine like terms: 1 + 9 = 10
5n = 10

Divide each side by '5'.
n = 2

Simplifying
n = 2

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