.4n-.7=.22

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Solution for .4n-.7=.22 equation:


Simplifying
0.4n + -0.7 = 0.22

Reorder the terms:
-0.7 + 0.4n = 0.22

Solving
-0.7 + 0.4n = 0.22

Solving for variable 'n'.

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

Add '0.7' to each side of the equation.
-0.7 + 0.7 + 0.4n = 0.22 + 0.7

Combine like terms: -0.7 + 0.7 = 0.0
0.0 + 0.4n = 0.22 + 0.7
0.4n = 0.22 + 0.7

Combine like terms: 0.22 + 0.7 = 0.92
0.4n = 0.92

Divide each side by '0.4'.
n = 2.3

Simplifying
n = 2.3

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