.05n+40+.05n+(3*.05n)=17.20

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Solution for .05n+40+.05n+(3*.05n)=17.20 equation:


Simplifying
0.05n + 40 + 0.05n + (3 * 0.05n) = 17.20

Multiply 3 * 0.05
0.05n + 40 + 0.05n + (0.15n) = 17.20

Reorder the terms:
40 + 0.05n + 0.05n + (0.15n) = 17.20

Combine like terms: 0.05n + 0.05n = 0.1n
40 + 0.1n + (0.15n) = 17.20

Combine like terms: 0.1n + (0.15n) = 0.25n
40 + 0.25n = 17.20

Solving
40 + 0.25n = 17.20

Solving for variable 'n'.

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

Add '-40' to each side of the equation.
40 + -40 + 0.25n = 17.20 + -40

Combine like terms: 40 + -40 = 0
0 + 0.25n = 17.20 + -40
0.25n = 17.20 + -40

Combine like terms: 17.20 + -40 = -22.8
0.25n = -22.8

Divide each side by '0.25'.
n = -91.2

Simplifying
n = -91.2

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