-.3(31.2-7n)=.456

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Solution for -.3(31.2-7n)=.456 equation: 


Simplifying
-0.3(31.2 + -7n) = 0.456
(31.2 * -0.3 + -7n * -0.3) = 0.456
(-9.36 + 2.1n) = 0.456

Solving
-9.36 + 2.1n = 0.456

Solving for variable 'n'.

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

Add '9.36' to each side of the equation.
-9.36 + 9.36 + 2.1n = 0.456 + 9.36

Combine like terms: -9.36 + 9.36 = 0.00
0.00 + 2.1n = 0.456 + 9.36
2.1n = 0.456 + 9.36

Combine like terms: 0.456 + 9.36 = 9.816
2.1n = 9.816

Divide each side by '2.1'.
n = 4.674285714

Simplifying
n = 4.674285714

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