9(2n+5)=9(9n+7)+9

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


Simplifying
9(2n + 5) = 9(9n + 7) + 9

Reorder the terms:
9(5 + 2n) = 9(9n + 7) + 9
(5 * 9 + 2n * 9) = 9(9n + 7) + 9
(45 + 18n) = 9(9n + 7) + 9

Reorder the terms:
45 + 18n = 9(7 + 9n) + 9
45 + 18n = (7 * 9 + 9n * 9) + 9
45 + 18n = (63 + 81n) + 9

Reorder the terms:
45 + 18n = 63 + 9 + 81n

Combine like terms: 63 + 9 = 72
45 + 18n = 72 + 81n

Solving
45 + 18n = 72 + 81n

Solving for variable 'n'.

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

Add '-81n' to each side of the equation.
45 + 18n + -81n = 72 + 81n + -81n

Combine like terms: 18n + -81n = -63n
45 + -63n = 72 + 81n + -81n

Combine like terms: 81n + -81n = 0
45 + -63n = 72 + 0
45 + -63n = 72

Add '-45' to each side of the equation.
45 + -45 + -63n = 72 + -45

Combine like terms: 45 + -45 = 0
0 + -63n = 72 + -45
-63n = 72 + -45

Combine like terms: 72 + -45 = 27
-63n = 27

Divide each side by '-63'.
n = -0.4285714286

Simplifying
n = -0.4285714286

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