15.8u-12.9=6.2u-13.8

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Solution for 15.8u-12.9=6.2u-13.8 equation: 


Simplifying
15.8u + -12.9 = 6.2u + -13.8

Reorder the terms:
-12.9 + 15.8u = 6.2u + -13.8

Reorder the terms:
-12.9 + 15.8u = -13.8 + 6.2u

Solving
-12.9 + 15.8u = -13.8 + 6.2u

Solving for variable 'u'.

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

Add '-6.2u' to each side of the equation.
-12.9 + 15.8u + -6.2u = -13.8 + 6.2u + -6.2u

Combine like terms: 15.8u + -6.2u = 9.6u
-12.9 + 9.6u = -13.8 + 6.2u + -6.2u

Combine like terms: 6.2u + -6.2u = 0.0
-12.9 + 9.6u = -13.8 + 0.0
-12.9 + 9.6u = -13.8

Add '12.9' to each side of the equation.
-12.9 + 12.9 + 9.6u = -13.8 + 12.9

Combine like terms: -12.9 + 12.9 = 0.0
0.0 + 9.6u = -13.8 + 12.9
9.6u = -13.8 + 12.9

Combine like terms: -13.8 + 12.9 = -0.9
9.6u = -0.9

Divide each side by '9.6'.
u = -0.09375

Simplifying
u = -0.09375

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