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

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


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

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

Reorder the terms:
45 + 18n = 7(7 + 5n) + 9
45 + 18n = (7 * 7 + 5n * 7) + 9
45 + 18n = (49 + 35n) + 9

Reorder the terms:
45 + 18n = 49 + 9 + 35n

Combine like terms: 49 + 9 = 58
45 + 18n = 58 + 35n

Solving
45 + 18n = 58 + 35n

Solving for variable 'n'.

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

Add '-35n' to each side of the equation.
45 + 18n + -35n = 58 + 35n + -35n

Combine like terms: 18n + -35n = -17n
45 + -17n = 58 + 35n + -35n

Combine like terms: 35n + -35n = 0
45 + -17n = 58 + 0
45 + -17n = 58

Add '-45' to each side of the equation.
45 + -45 + -17n = 58 + -45

Combine like terms: 45 + -45 = 0
0 + -17n = 58 + -45
-17n = 58 + -45

Combine like terms: 58 + -45 = 13
-17n = 13

Divide each side by '-17'.
n = -0.7647058824

Simplifying
n = -0.7647058824

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