4(2n+3)=9(3n+9)+9

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Solution for 4(2n+3)=9(3n+9)+9 equation:


Simplifying
4(2n + 3) = 9(3n + 9) + 9

Reorder the terms:
4(3 + 2n) = 9(3n + 9) + 9
(3 * 4 + 2n * 4) = 9(3n + 9) + 9
(12 + 8n) = 9(3n + 9) + 9

Reorder the terms:
12 + 8n = 9(9 + 3n) + 9
12 + 8n = (9 * 9 + 3n * 9) + 9
12 + 8n = (81 + 27n) + 9

Reorder the terms:
12 + 8n = 81 + 9 + 27n

Combine like terms: 81 + 9 = 90
12 + 8n = 90 + 27n

Solving
12 + 8n = 90 + 27n

Solving for variable 'n'.

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

Add '-27n' to each side of the equation.
12 + 8n + -27n = 90 + 27n + -27n

Combine like terms: 8n + -27n = -19n
12 + -19n = 90 + 27n + -27n

Combine like terms: 27n + -27n = 0
12 + -19n = 90 + 0
12 + -19n = 90

Add '-12' to each side of the equation.
12 + -12 + -19n = 90 + -12

Combine like terms: 12 + -12 = 0
0 + -19n = 90 + -12
-19n = 90 + -12

Combine like terms: 90 + -12 = 78
-19n = 78

Divide each side by '-19'.
n = -4.105263158

Simplifying
n = -4.105263158

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