7(3-9n)=-20

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Solution for 7(3-9n)=-20 equation:


Simplifying
7(3 + -9n) = -20
(3 * 7 + -9n * 7) = -20
(21 + -63n) = -20

Solving
21 + -63n = -20

Solving for variable 'n'.

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

Add '-21' to each side of the equation.
21 + -21 + -63n = -20 + -21

Combine like terms: 21 + -21 = 0
0 + -63n = -20 + -21
-63n = -20 + -21

Combine like terms: -20 + -21 = -41
-63n = -41

Divide each side by '-63'.
n = 0.6507936508

Simplifying
n = 0.6507936508

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