7n-16=4n+5(n-4)

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Solution for 7n-16=4n+5(n-4) equation:


Simplifying
7n + -16 = 4n + 5(n + -4)

Reorder the terms:
-16 + 7n = 4n + 5(n + -4)

Reorder the terms:
-16 + 7n = 4n + 5(-4 + n)
-16 + 7n = 4n + (-4 * 5 + n * 5)
-16 + 7n = 4n + (-20 + 5n)

Reorder the terms:
-16 + 7n = -20 + 4n + 5n

Combine like terms: 4n + 5n = 9n
-16 + 7n = -20 + 9n

Solving
-16 + 7n = -20 + 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.
-16 + 7n + -9n = -20 + 9n + -9n

Combine like terms: 7n + -9n = -2n
-16 + -2n = -20 + 9n + -9n

Combine like terms: 9n + -9n = 0
-16 + -2n = -20 + 0
-16 + -2n = -20

Add '16' to each side of the equation.
-16 + 16 + -2n = -20 + 16

Combine like terms: -16 + 16 = 0
0 + -2n = -20 + 16
-2n = -20 + 16

Combine like terms: -20 + 16 = -4
-2n = -4

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

Simplifying
n = 2

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