7(3n+4)=6(7n+3)+9

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Solution for 7(3n+4)=6(7n+3)+9 equation:


Simplifying
7(3n + 4) = 6(7n + 3) + 9

Reorder the terms:
7(4 + 3n) = 6(7n + 3) + 9
(4 * 7 + 3n * 7) = 6(7n + 3) + 9
(28 + 21n) = 6(7n + 3) + 9

Reorder the terms:
28 + 21n = 6(3 + 7n) + 9
28 + 21n = (3 * 6 + 7n * 6) + 9
28 + 21n = (18 + 42n) + 9

Reorder the terms:
28 + 21n = 18 + 9 + 42n

Combine like terms: 18 + 9 = 27
28 + 21n = 27 + 42n

Solving
28 + 21n = 27 + 42n

Solving for variable 'n'.

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

Add '-42n' to each side of the equation.
28 + 21n + -42n = 27 + 42n + -42n

Combine like terms: 21n + -42n = -21n
28 + -21n = 27 + 42n + -42n

Combine like terms: 42n + -42n = 0
28 + -21n = 27 + 0
28 + -21n = 27

Add '-28' to each side of the equation.
28 + -28 + -21n = 27 + -28

Combine like terms: 28 + -28 = 0
0 + -21n = 27 + -28
-21n = 27 + -28

Combine like terms: 27 + -28 = -1
-21n = -1

Divide each side by '-21'.
n = 0.04761904762

Simplifying
n = 0.04761904762

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