26.4=20.4-3n

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Solution for 26.4=20.4-3n equation:


Simplifying
26.4 = 20.4 + -3n

Solving
26.4 = 20.4 + -3n

Solving for variable 'n'.

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

Add '3n' to each side of the equation.
26.4 + 3n = 20.4 + -3n + 3n

Combine like terms: -3n + 3n = 0
26.4 + 3n = 20.4 + 0
26.4 + 3n = 20.4

Add '-26.4' to each side of the equation.
26.4 + -26.4 + 3n = 20.4 + -26.4

Combine like terms: 26.4 + -26.4 = 0.0
0.0 + 3n = 20.4 + -26.4
3n = 20.4 + -26.4

Combine like terms: 20.4 + -26.4 = -6
3n = -6

Divide each side by '3'.
n = -2

Simplifying
n = -2

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