0.4n-0.7=1.4-0.3n

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Solution for 0.4n-0.7=1.4-0.3n equation: 


Simplifying
0.4n + -0.7 = 1.4 + -0.3n

Reorder the terms:
-0.7 + 0.4n = 1.4 + -0.3n

Solving
-0.7 + 0.4n = 1.4 + -0.3n

Solving for variable 'n'.

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

Add '0.3n' to each side of the equation.
-0.7 + 0.4n + 0.3n = 1.4 + -0.3n + 0.3n

Combine like terms: 0.4n + 0.3n = 0.7n
-0.7 + 0.7n = 1.4 + -0.3n + 0.3n

Combine like terms: -0.3n + 0.3n = 0.0
-0.7 + 0.7n = 1.4 + 0.0
-0.7 + 0.7n = 1.4

Add '0.7' to each side of the equation.
-0.7 + 0.7 + 0.7n = 1.4 + 0.7

Combine like terms: -0.7 + 0.7 = 0.0
0.0 + 0.7n = 1.4 + 0.7
0.7n = 1.4 + 0.7

Combine like terms: 1.4 + 0.7 = 2.1
0.7n = 2.1

Divide each side by '0.7'.
n = 3

Simplifying
n = 3

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