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

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


Simplifying
7(7 + 7n) + 8 = n + 9
(7 * 7 + 7n * 7) + 8 = n + 9
(49 + 49n) + 8 = n + 9

Reorder the terms:
49 + 8 + 49n = n + 9

Combine like terms: 49 + 8 = 57
57 + 49n = n + 9

Reorder the terms:
57 + 49n = 9 + n

Solving
57 + 49n = 9 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
57 + 49n + -1n = 9 + n + -1n

Combine like terms: 49n + -1n = 48n
57 + 48n = 9 + n + -1n

Combine like terms: n + -1n = 0
57 + 48n = 9 + 0
57 + 48n = 9

Add '-57' to each side of the equation.
57 + -57 + 48n = 9 + -57

Combine like terms: 57 + -57 = 0
0 + 48n = 9 + -57
48n = 9 + -57

Combine like terms: 9 + -57 = -48
48n = -48

Divide each side by '48'.
n = -1

Simplifying
n = -1

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