9(3-10n)-3(10n+1)=

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Solution for 9(3-10n)-3(10n+1)= equation:


Simplifying
9(3 + -10n) + -3(10n + 1) = 0
(3 * 9 + -10n * 9) + -3(10n + 1) = 0
(27 + -90n) + -3(10n + 1) = 0

Reorder the terms:
27 + -90n + -3(1 + 10n) = 0
27 + -90n + (1 * -3 + 10n * -3) = 0
27 + -90n + (-3 + -30n) = 0

Reorder the terms:
27 + -3 + -90n + -30n = 0

Combine like terms: 27 + -3 = 24
24 + -90n + -30n = 0

Combine like terms: -90n + -30n = -120n
24 + -120n = 0

Solving
24 + -120n = 0

Solving for variable 'n'.

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

Add '-24' to each side of the equation.
24 + -24 + -120n = 0 + -24

Combine like terms: 24 + -24 = 0
0 + -120n = 0 + -24
-120n = 0 + -24

Combine like terms: 0 + -24 = -24
-120n = -24

Divide each side by '-120'.
n = 0.2

Simplifying
n = 0.2

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