12n-3=77(n-4)+5n

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Solution for 12n-3=77(n-4)+5n equation:


Simplifying
12n + -3 = 77(n + -4) + 5n

Reorder the terms:
-3 + 12n = 77(n + -4) + 5n

Reorder the terms:
-3 + 12n = 77(-4 + n) + 5n
-3 + 12n = (-4 * 77 + n * 77) + 5n
-3 + 12n = (-308 + 77n) + 5n

Combine like terms: 77n + 5n = 82n
-3 + 12n = -308 + 82n

Solving
-3 + 12n = -308 + 82n

Solving for variable 'n'.

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

Add '-82n' to each side of the equation.
-3 + 12n + -82n = -308 + 82n + -82n

Combine like terms: 12n + -82n = -70n
-3 + -70n = -308 + 82n + -82n

Combine like terms: 82n + -82n = 0
-3 + -70n = -308 + 0
-3 + -70n = -308

Add '3' to each side of the equation.
-3 + 3 + -70n = -308 + 3

Combine like terms: -3 + 3 = 0
0 + -70n = -308 + 3
-70n = -308 + 3

Combine like terms: -308 + 3 = -305
-70n = -305

Divide each side by '-70'.
n = 4.357142857

Simplifying
n = 4.357142857

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