u-18.4=-8.7

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Solution for u-18.4=-8.7 equation: 


Simplifying
u + -18.4 = -8.7

Reorder the terms:
-18.4 + u = -8.7

Solving
-18.4 + u = -8.7

Solving for variable 'u'.

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

Add '18.4' to each side of the equation.
-18.4 + 18.4 + u = -8.7 + 18.4

Combine like terms: -18.4 + 18.4 = 0.0
0.0 + u = -8.7 + 18.4
u = -8.7 + 18.4

Combine like terms: -8.7 + 18.4 = 9.7
u = 9.7

Simplifying
u = 9.7

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