5(5-4n)-3(6+5)=-66

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Solution for 5(5-4n)-3(6+5)=-66 equation: 


Simplifying
5(5 + -4n) + -3(6 + 5) = -66
(5 * 5 + -4n * 5) + -3(6 + 5) = -66
(25 + -20n) + -3(6 + 5) = -66

Combine like terms: 6 + 5 = 11
25 + -20n + -3(11) = -66

Multiply -3 * 11
25 + -20n + -33 = -66

Reorder the terms:
25 + -33 + -20n = -66

Combine like terms: 25 + -33 = -8
-8 + -20n = -66

Solving
-8 + -20n = -66

Solving for variable 'n'.

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

Add '8' to each side of the equation.
-8 + 8 + -20n = -66 + 8

Combine like terms: -8 + 8 = 0
0 + -20n = -66 + 8
-20n = -66 + 8

Combine like terms: -66 + 8 = -58
-20n = -58

Divide each side by '-20'.
n = 2.9

Simplifying
n = 2.9

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