0.456=-.03(7n-31.2)

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Solution for 0.456=-.03(7n-31.2) equation: 


Simplifying
0.456 = -0.03(7n + -31.2)

Reorder the terms:
0.456 = -0.03(-31.2 + 7n)
0.456 = (-31.2 * -0.03 + 7n * -0.03)
0.456 = (0.936 + -0.21n)

Solving
0.456 = 0.936 + -0.21n

Solving for variable 'n'.

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

Add '0.21n' to each side of the equation.
0.456 + 0.21n = 0.936 + -0.21n + 0.21n

Combine like terms: -0.21n + 0.21n = 0.00
0.456 + 0.21n = 0.936 + 0.00
0.456 + 0.21n = 0.936

Add '-0.456' to each side of the equation.
0.456 + -0.456 + 0.21n = 0.936 + -0.456

Combine like terms: 0.456 + -0.456 = 0.000
0.000 + 0.21n = 0.936 + -0.456
0.21n = 0.936 + -0.456

Combine like terms: 0.936 + -0.456 = 0.48
0.21n = 0.48

Divide each side by '0.21'.
n = 2.285714286

Simplifying
n = 2.285714286

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