3(3n+3)=9(5n+9)+4

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Solution for 3(3n+3)=9(5n+9)+4 equation:


Simplifying
3(3n + 3) = 9(5n + 9) + 4

Reorder the terms:
3(3 + 3n) = 9(5n + 9) + 4
(3 * 3 + 3n * 3) = 9(5n + 9) + 4
(9 + 9n) = 9(5n + 9) + 4

Reorder the terms:
9 + 9n = 9(9 + 5n) + 4
9 + 9n = (9 * 9 + 5n * 9) + 4
9 + 9n = (81 + 45n) + 4

Reorder the terms:
9 + 9n = 81 + 4 + 45n

Combine like terms: 81 + 4 = 85
9 + 9n = 85 + 45n

Solving
9 + 9n = 85 + 45n

Solving for variable 'n'.

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

Add '-45n' to each side of the equation.
9 + 9n + -45n = 85 + 45n + -45n

Combine like terms: 9n + -45n = -36n
9 + -36n = 85 + 45n + -45n

Combine like terms: 45n + -45n = 0
9 + -36n = 85 + 0
9 + -36n = 85

Add '-9' to each side of the equation.
9 + -9 + -36n = 85 + -9

Combine like terms: 9 + -9 = 0
0 + -36n = 85 + -9
-36n = 85 + -9

Combine like terms: 85 + -9 = 76
-36n = 76

Divide each side by '-36'.
n = -2.111111111

Simplifying
n = -2.111111111

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