(4.5n+6.7n+9.7n)-7+5+9=88

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Solution for (4.5n+6.7n+9.7n)-7+5+9=88 equation: 


Simplifying
(4.5n + 6.7n + 9.7n) + -7 + 5 + 9 = 88

Combine like terms: 4.5n + 6.7n = 11.2n
(11.2n + 9.7n) + -7 + 5 + 9 = 88

Combine like terms: 11.2n + 9.7n = 20.9n
(20.9n) + -7 + 5 + 9 = 88
(20.9n) + -7 + 5 + 9 = 88

Reorder the terms:
-7 + 5 + 9 + (20.9n) = 88

Combine like terms: -7 + 5 = -2
-2 + 9 + (20.9n) = 88

Combine like terms: -2 + 9 = 7
7 + (20.9n) = 88

Solving
7 + (20.9n) = 88

Solving for variable 'n'.

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

Add '-7' to each side of the equation.
7 + -7 + (20.9n) = 88 + -7

Combine like terms: 7 + -7 = 0
0 + (20.9n) = 88 + -7
(20.9n) = 88 + -7

Combine like terms: 88 + -7 = 81
(20.9n) = 81

Divide each side by '20.9'.
n = 3.875598086

Simplifying
n = 3.875598086

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