10n-9(n-5)=4(n-4)-5

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Solution for 10n-9(n-5)=4(n-4)-5 equation:


Simplifying
10n + -9(n + -5) = 4(n + -4) + -5

Reorder the terms:
10n + -9(-5 + n) = 4(n + -4) + -5
10n + (-5 * -9 + n * -9) = 4(n + -4) + -5
10n + (45 + -9n) = 4(n + -4) + -5

Reorder the terms:
45 + 10n + -9n = 4(n + -4) + -5

Combine like terms: 10n + -9n = 1n
45 + 1n = 4(n + -4) + -5

Reorder the terms:
45 + 1n = 4(-4 + n) + -5
45 + 1n = (-4 * 4 + n * 4) + -5
45 + 1n = (-16 + 4n) + -5

Reorder the terms:
45 + 1n = -16 + -5 + 4n

Combine like terms: -16 + -5 = -21
45 + 1n = -21 + 4n

Solving
45 + 1n = -21 + 4n

Solving for variable 'n'.

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

Add '-4n' to each side of the equation.
45 + 1n + -4n = -21 + 4n + -4n

Combine like terms: 1n + -4n = -3n
45 + -3n = -21 + 4n + -4n

Combine like terms: 4n + -4n = 0
45 + -3n = -21 + 0
45 + -3n = -21

Add '-45' to each side of the equation.
45 + -45 + -3n = -21 + -45

Combine like terms: 45 + -45 = 0
0 + -3n = -21 + -45
-3n = -21 + -45

Combine like terms: -21 + -45 = -66
-3n = -66

Divide each side by '-3'.
n = 22

Simplifying
n = 22

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