4-49-7n=9n-5(4n+8)

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Solution for 4-49-7n=9n-5(4n+8) equation:


Simplifying
4 + -49 + -7n = 9n + -5(4n + 8)

Combine like terms: 4 + -49 = -45
-45 + -7n = 9n + -5(4n + 8)

Reorder the terms:
-45 + -7n = 9n + -5(8 + 4n)
-45 + -7n = 9n + (8 * -5 + 4n * -5)
-45 + -7n = 9n + (-40 + -20n)

Reorder the terms:
-45 + -7n = -40 + 9n + -20n

Combine like terms: 9n + -20n = -11n
-45 + -7n = -40 + -11n

Solving
-45 + -7n = -40 + -11n

Solving for variable 'n'.

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

Add '11n' to each side of the equation.
-45 + -7n + 11n = -40 + -11n + 11n

Combine like terms: -7n + 11n = 4n
-45 + 4n = -40 + -11n + 11n

Combine like terms: -11n + 11n = 0
-45 + 4n = -40 + 0
-45 + 4n = -40

Add '45' to each side of the equation.
-45 + 45 + 4n = -40 + 45

Combine like terms: -45 + 45 = 0
0 + 4n = -40 + 45
4n = -40 + 45

Combine like terms: -40 + 45 = 5
4n = 5

Divide each side by '4'.
n = 1.25

Simplifying
n = 1.25

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