7.5(40+n)+11.25n=339.38

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Solution for 7.5(40+n)+11.25n=339.38 equation: 


Simplifying
7.5(40 + n) + 11.25n = 339.38
(40 * 7.5 + n * 7.5) + 11.25n = 339.38
(300 + 7.5n) + 11.25n = 339.38

Combine like terms: 7.5n + 11.25n = 18.75n
300 + 18.75n = 339.38

Solving
300 + 18.75n = 339.38

Solving for variable 'n'.

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

Add '-300' to each side of the equation.
300 + -300 + 18.75n = 339.38 + -300

Combine like terms: 300 + -300 = 0
0 + 18.75n = 339.38 + -300
18.75n = 339.38 + -300

Combine like terms: 339.38 + -300 = 39.38
18.75n = 39.38

Divide each side by '18.75'.
n = 2.100266667

Simplifying
n = 2.100266667

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