7.5n-4(-3-6.4n)=37.1n

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Solution for 7.5n-4(-3-6.4n)=37.1n equation:


Simplifying
7.5n + -4(-3 + -6.4n) = 37.1n
7.5n + (-3 * -4 + -6.4n * -4) = 37.1n
7.5n + (12 + 25.6n) = 37.1n

Reorder the terms:
12 + 7.5n + 25.6n = 37.1n

Combine like terms: 7.5n + 25.6n = 33.1n
12 + 33.1n = 37.1n

Solving
12 + 33.1n = 37.1n

Solving for variable 'n'.

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

Add '-37.1n' to each side of the equation.
12 + 33.1n + -37.1n = 37.1n + -37.1n

Combine like terms: 33.1n + -37.1n = -4n
12 + -4n = 37.1n + -37.1n

Combine like terms: 37.1n + -37.1n = 0.0
12 + -4n = 0.0

Add '-12' to each side of the equation.
12 + -12 + -4n = 0.0 + -12

Combine like terms: 12 + -12 = 0
0 + -4n = 0.0 + -12
-4n = 0.0 + -12

Combine like terms: 0.0 + -12 = -12
-4n = -12

Divide each side by '-4'.
n = 3

Simplifying
n = 3

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