(8x-4)-(9n-1)=12

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Solution for (8x-4)-(9n-1)=12 equation:


Simplifying
(8x + -4) + -1(9n + -1) = 12

Reorder the terms:
(-4 + 8x) + -1(9n + -1) = 12

Remove parenthesis around (-4 + 8x)
-4 + 8x + -1(9n + -1) = 12

Reorder the terms:
-4 + 8x + -1(-1 + 9n) = 12
-4 + 8x + (-1 * -1 + 9n * -1) = 12
-4 + 8x + (1 + -9n) = 12

Reorder the terms:
-4 + 1 + -9n + 8x = 12

Combine like terms: -4 + 1 = -3
-3 + -9n + 8x = 12

Solving
-3 + -9n + 8x = 12

Solving for variable 'n'.

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

Add '3' to each side of the equation.
-3 + -9n + 3 + 8x = 12 + 3

Reorder the terms:
-3 + 3 + -9n + 8x = 12 + 3

Combine like terms: -3 + 3 = 0
0 + -9n + 8x = 12 + 3
-9n + 8x = 12 + 3

Combine like terms: 12 + 3 = 15
-9n + 8x = 15

Add '-8x' to each side of the equation.
-9n + 8x + -8x = 15 + -8x

Combine like terms: 8x + -8x = 0
-9n + 0 = 15 + -8x
-9n = 15 + -8x

Divide each side by '-9'.
n = -1.666666667 + 0.8888888889x

Simplifying
n = -1.666666667 + 0.8888888889x

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