5(n-4)-7(3n+7)=27

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Solution for 5(n-4)-7(3n+7)=27 equation:


Simplifying
5(n + -4) + -7(3n + 7) = 27

Reorder the terms:
5(-4 + n) + -7(3n + 7) = 27
(-4 * 5 + n * 5) + -7(3n + 7) = 27
(-20 + 5n) + -7(3n + 7) = 27

Reorder the terms:
-20 + 5n + -7(7 + 3n) = 27
-20 + 5n + (7 * -7 + 3n * -7) = 27
-20 + 5n + (-49 + -21n) = 27

Reorder the terms:
-20 + -49 + 5n + -21n = 27

Combine like terms: -20 + -49 = -69
-69 + 5n + -21n = 27

Combine like terms: 5n + -21n = -16n
-69 + -16n = 27

Solving
-69 + -16n = 27

Solving for variable 'n'.

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

Add '69' to each side of the equation.
-69 + 69 + -16n = 27 + 69

Combine like terms: -69 + 69 = 0
0 + -16n = 27 + 69
-16n = 27 + 69

Combine like terms: 27 + 69 = 96
-16n = 96

Divide each side by '-16'.
n = -6

Simplifying
n = -6

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