3+.1n+.7n=7.8

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Solution for 3+.1n+.7n=7.8 equation: 


Simplifying
3 + 0.1n + 0.7n = 7.8

Combine like terms: 0.1n + 0.7n = 0.8n
3 + 0.8n = 7.8

Solving
3 + 0.8n = 7.8

Solving for variable 'n'.

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

Add '-3' to each side of the equation.
3 + -3 + 0.8n = 7.8 + -3

Combine like terms: 3 + -3 = 0
0 + 0.8n = 7.8 + -3
0.8n = 7.8 + -3

Combine like terms: 7.8 + -3 = 4.8
0.8n = 4.8

Divide each side by '0.8'.
n = 6

Simplifying
n = 6

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