7(n-8)-(9-4n)=10n

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Solution for 7(n-8)-(9-4n)=10n equation:


Simplifying
7(n + -8) + -1(9 + -4n) = 10n

Reorder the terms:
7(-8 + n) + -1(9 + -4n) = 10n
(-8 * 7 + n * 7) + -1(9 + -4n) = 10n
(-56 + 7n) + -1(9 + -4n) = 10n
-56 + 7n + (9 * -1 + -4n * -1) = 10n
-56 + 7n + (-9 + 4n) = 10n

Reorder the terms:
-56 + -9 + 7n + 4n = 10n

Combine like terms: -56 + -9 = -65
-65 + 7n + 4n = 10n

Combine like terms: 7n + 4n = 11n
-65 + 11n = 10n

Solving
-65 + 11n = 10n

Solving for variable 'n'.

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

Add '-10n' to each side of the equation.
-65 + 11n + -10n = 10n + -10n

Combine like terms: 11n + -10n = 1n
-65 + 1n = 10n + -10n

Combine like terms: 10n + -10n = 0
-65 + 1n = 0

Add '65' to each side of the equation.
-65 + 65 + 1n = 0 + 65

Combine like terms: -65 + 65 = 0
0 + 1n = 0 + 65
1n = 0 + 65

Combine like terms: 0 + 65 = 65
1n = 65

Divide each side by '1'.
n = 65

Simplifying
n = 65

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