-20=4n+7n

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Solution for -20=4n+7n equation:


Simplifying
-20 = 4n + 7n

Combine like terms: 4n + 7n = 11n
-20 = 11n

Solving
-20 = 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.
-20 + -11n = 11n + -11n

Combine like terms: 11n + -11n = 0
-20 + -11n = 0

Add '20' to each side of the equation.
-20 + 20 + -11n = 0 + 20

Combine like terms: -20 + 20 = 0
0 + -11n = 0 + 20
-11n = 0 + 20

Combine like terms: 0 + 20 = 20
-11n = 20

Divide each side by '-11'.
n = -1.818181818

Simplifying
n = -1.818181818

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