4n+(7n-3)=9(n-5)

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Solution for 4n+(7n-3)=9(n-5) equation:


Simplifying
4n + (7n + -3) = 9(n + -5)

Reorder the terms:
4n + (-3 + 7n) = 9(n + -5)

Remove parenthesis around (-3 + 7n)
4n + -3 + 7n = 9(n + -5)

Reorder the terms:
-3 + 4n + 7n = 9(n + -5)

Combine like terms: 4n + 7n = 11n
-3 + 11n = 9(n + -5)

Reorder the terms:
-3 + 11n = 9(-5 + n)
-3 + 11n = (-5 * 9 + n * 9)
-3 + 11n = (-45 + 9n)

Solving
-3 + 11n = -45 + 9n

Solving for variable 'n'.

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

Add '-9n' to each side of the equation.
-3 + 11n + -9n = -45 + 9n + -9n

Combine like terms: 11n + -9n = 2n
-3 + 2n = -45 + 9n + -9n

Combine like terms: 9n + -9n = 0
-3 + 2n = -45 + 0
-3 + 2n = -45

Add '3' to each side of the equation.
-3 + 3 + 2n = -45 + 3

Combine like terms: -3 + 3 = 0
0 + 2n = -45 + 3
2n = -45 + 3

Combine like terms: -45 + 3 = -42
2n = -42

Divide each side by '2'.
n = -21

Simplifying
n = -21

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