7(2n+1)=7(8n+1)+9

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Solution for 7(2n+1)=7(8n+1)+9 equation:


Simplifying
7(2n + 1) = 7(8n + 1) + 9

Reorder the terms:
7(1 + 2n) = 7(8n + 1) + 9
(1 * 7 + 2n * 7) = 7(8n + 1) + 9
(7 + 14n) = 7(8n + 1) + 9

Reorder the terms:
7 + 14n = 7(1 + 8n) + 9
7 + 14n = (1 * 7 + 8n * 7) + 9
7 + 14n = (7 + 56n) + 9

Reorder the terms:
7 + 14n = 7 + 9 + 56n

Combine like terms: 7 + 9 = 16
7 + 14n = 16 + 56n

Solving
7 + 14n = 16 + 56n

Solving for variable 'n'.

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

Add '-56n' to each side of the equation.
7 + 14n + -56n = 16 + 56n + -56n

Combine like terms: 14n + -56n = -42n
7 + -42n = 16 + 56n + -56n

Combine like terms: 56n + -56n = 0
7 + -42n = 16 + 0
7 + -42n = 16

Add '-7' to each side of the equation.
7 + -7 + -42n = 16 + -7

Combine like terms: 7 + -7 = 0
0 + -42n = 16 + -7
-42n = 16 + -7

Combine like terms: 16 + -7 = 9
-42n = 9

Divide each side by '-42'.
n = -0.2142857143

Simplifying
n = -0.2142857143

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