.4n-3=1.8n-5

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Solution for .4n-3=1.8n-5 equation:


Simplifying
0.4n + -3 = 1.8n + -5

Reorder the terms:
-3 + 0.4n = 1.8n + -5

Reorder the terms:
-3 + 0.4n = -5 + 1.8n

Solving
-3 + 0.4n = -5 + 1.8n

Solving for variable 'n'.

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

Add '-1.8n' to each side of the equation.
-3 + 0.4n + -1.8n = -5 + 1.8n + -1.8n

Combine like terms: 0.4n + -1.8n = -1.4n
-3 + -1.4n = -5 + 1.8n + -1.8n

Combine like terms: 1.8n + -1.8n = 0.0
-3 + -1.4n = -5 + 0.0
-3 + -1.4n = -5

Add '3' to each side of the equation.
-3 + 3 + -1.4n = -5 + 3

Combine like terms: -3 + 3 = 0
0 + -1.4n = -5 + 3
-1.4n = -5 + 3

Combine like terms: -5 + 3 = -2
-1.4n = -2

Divide each side by '-1.4'.
n = 1.428571429

Simplifying
n = 1.428571429

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