3(3n+4)=9(9n+1)+7

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Solution for 3(3n+4)=9(9n+1)+7 equation:


Simplifying
3(3n + 4) = 9(9n + 1) + 7

Reorder the terms:
3(4 + 3n) = 9(9n + 1) + 7
(4 * 3 + 3n * 3) = 9(9n + 1) + 7
(12 + 9n) = 9(9n + 1) + 7

Reorder the terms:
12 + 9n = 9(1 + 9n) + 7
12 + 9n = (1 * 9 + 9n * 9) + 7
12 + 9n = (9 + 81n) + 7

Reorder the terms:
12 + 9n = 9 + 7 + 81n

Combine like terms: 9 + 7 = 16
12 + 9n = 16 + 81n

Solving
12 + 9n = 16 + 81n

Solving for variable 'n'.

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

Add '-81n' to each side of the equation.
12 + 9n + -81n = 16 + 81n + -81n

Combine like terms: 9n + -81n = -72n
12 + -72n = 16 + 81n + -81n

Combine like terms: 81n + -81n = 0
12 + -72n = 16 + 0
12 + -72n = 16

Add '-12' to each side of the equation.
12 + -12 + -72n = 16 + -12

Combine like terms: 12 + -12 = 0
0 + -72n = 16 + -12
-72n = 16 + -12

Combine like terms: 16 + -12 = 4
-72n = 4

Divide each side by '-72'.
n = -0.05555555556

Simplifying
n = -0.05555555556

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