7(6-0.3n)=-2.1

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Solution for 7(6-0.3n)=-2.1 equation:


Simplifying
7(6 + -0.3n) = -2.1
(6 * 7 + -0.3n * 7) = -2.1
(42 + -2.1n) = -2.1

Solving
42 + -2.1n = -2.1

Solving for variable 'n'.

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

Add '-42' to each side of the equation.
42 + -42 + -2.1n = -2.1 + -42

Combine like terms: 42 + -42 = 0
0 + -2.1n = -2.1 + -42
-2.1n = -2.1 + -42

Combine like terms: -2.1 + -42 = -44.1
-2.1n = -44.1

Divide each side by '-2.1'.
n = 21

Simplifying
n = 21

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