8=5(4n+3)-3(2n-7)-20

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Solution for 8=5(4n+3)-3(2n-7)-20 equation:


Simplifying
8 = 5(4n + 3) + -3(2n + -7) + -20

Reorder the terms:
8 = 5(3 + 4n) + -3(2n + -7) + -20
8 = (3 * 5 + 4n * 5) + -3(2n + -7) + -20
8 = (15 + 20n) + -3(2n + -7) + -20

Reorder the terms:
8 = 15 + 20n + -3(-7 + 2n) + -20
8 = 15 + 20n + (-7 * -3 + 2n * -3) + -20
8 = 15 + 20n + (21 + -6n) + -20

Reorder the terms:
8 = 15 + 21 + -20 + 20n + -6n

Combine like terms: 15 + 21 = 36
8 = 36 + -20 + 20n + -6n

Combine like terms: 36 + -20 = 16
8 = 16 + 20n + -6n

Combine like terms: 20n + -6n = 14n
8 = 16 + 14n

Solving
8 = 16 + 14n

Solving for variable 'n'.

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

Add '-14n' to each side of the equation.
8 + -14n = 16 + 14n + -14n

Combine like terms: 14n + -14n = 0
8 + -14n = 16 + 0
8 + -14n = 16

Add '-8' to each side of the equation.
8 + -8 + -14n = 16 + -8

Combine like terms: 8 + -8 = 0
0 + -14n = 16 + -8
-14n = 16 + -8

Combine like terms: 16 + -8 = 8
-14n = 8

Divide each side by '-14'.
n = -0.5714285714

Simplifying
n = -0.5714285714

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