12-3=7(n-4)+5n

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Solution for 12-3=7(n-4)+5n equation:


Simplifying
12 + -3 = 7(n + -4) + 5n

Combine like terms: 12 + -3 = 9
9 = 7(n + -4) + 5n

Reorder the terms:
9 = 7(-4 + n) + 5n
9 = (-4 * 7 + n * 7) + 5n
9 = (-28 + 7n) + 5n

Combine like terms: 7n + 5n = 12n
9 = -28 + 12n

Solving
9 = -28 + 12n

Solving for variable 'n'.

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

Add '-12n' to each side of the equation.
9 + -12n = -28 + 12n + -12n

Combine like terms: 12n + -12n = 0
9 + -12n = -28 + 0
9 + -12n = -28

Add '-9' to each side of the equation.
9 + -9 + -12n = -28 + -9

Combine like terms: 9 + -9 = 0
0 + -12n = -28 + -9
-12n = -28 + -9

Combine like terms: -28 + -9 = -37
-12n = -37

Divide each side by '-12'.
n = 3.083333333

Simplifying
n = 3.083333333

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