j-3.9=3.8

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Solution for j-3.9=3.8 equation: 


Simplifying
j + -3.9 = 3.8

Reorder the terms:
-3.9 + j = 3.8

Solving
-3.9 + j = 3.8

Solving for variable 'j'.

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

Add '3.9' to each side of the equation.
-3.9 + 3.9 + j = 3.8 + 3.9

Combine like terms: -3.9 + 3.9 = 0.0
0.0 + j = 3.8 + 3.9
j = 3.8 + 3.9

Combine like terms: 3.8 + 3.9 = 7.7
j = 7.7

Simplifying
j = 7.7

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