4(2n+5)=6(8n+7)+9

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Solution for 4(2n+5)=6(8n+7)+9 equation:


Simplifying
4(2n + 5) = 6(8n + 7) + 9

Reorder the terms:
4(5 + 2n) = 6(8n + 7) + 9
(5 * 4 + 2n * 4) = 6(8n + 7) + 9
(20 + 8n) = 6(8n + 7) + 9

Reorder the terms:
20 + 8n = 6(7 + 8n) + 9
20 + 8n = (7 * 6 + 8n * 6) + 9
20 + 8n = (42 + 48n) + 9

Reorder the terms:
20 + 8n = 42 + 9 + 48n

Combine like terms: 42 + 9 = 51
20 + 8n = 51 + 48n

Solving
20 + 8n = 51 + 48n

Solving for variable 'n'.

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

Add '-48n' to each side of the equation.
20 + 8n + -48n = 51 + 48n + -48n

Combine like terms: 8n + -48n = -40n
20 + -40n = 51 + 48n + -48n

Combine like terms: 48n + -48n = 0
20 + -40n = 51 + 0
20 + -40n = 51

Add '-20' to each side of the equation.
20 + -20 + -40n = 51 + -20

Combine like terms: 20 + -20 = 0
0 + -40n = 51 + -20
-40n = 51 + -20

Combine like terms: 51 + -20 = 31
-40n = 31

Divide each side by '-40'.
n = -0.775

Simplifying
n = -0.775

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