5(3+10)+3(18-4n)=161

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Solution for 5(3+10)+3(18-4n)=161 equation: 


Simplifying
5(3 + 10) + 3(18 + -4n) = 161

Combine like terms: 3 + 10 = 13
5(13) + 3(18 + -4n) = 161

Multiply 5 * 13
65 + 3(18 + -4n) = 161
65 + (18 * 3 + -4n * 3) = 161
65 + (54 + -12n) = 161

Combine like terms: 65 + 54 = 119
119 + -12n = 161

Solving
119 + -12n = 161

Solving for variable 'n'.

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

Add '-119' to each side of the equation.
119 + -119 + -12n = 161 + -119

Combine like terms: 119 + -119 = 0
0 + -12n = 161 + -119
-12n = 161 + -119

Combine like terms: 161 + -119 = 42
-12n = 42

Divide each side by '-12'.
n = -3.5

Simplifying
n = -3.5

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