3n+3.5=7.4

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Solution for 3n+3.5=7.4 equation: 


Simplifying
3n + 3.5 = 7.4

Reorder the terms:
3.5 + 3n = 7.4

Solving
3.5 + 3n = 7.4

Solving for variable 'n'.

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

Add '-3.5' to each side of the equation.
3.5 + -3.5 + 3n = 7.4 + -3.5

Combine like terms: 3.5 + -3.5 = 0.0
0.0 + 3n = 7.4 + -3.5
3n = 7.4 + -3.5

Combine like terms: 7.4 + -3.5 = 3.9
3n = 3.9

Divide each side by '3'.
n = 1.3

Simplifying
n = 1.3

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