-4u+8.7=2.3

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Solution for -4u+8.7=2.3 equation: 


Simplifying
-4u + 8.7 = 2.3

Reorder the terms:
8.7 + -4u = 2.3

Solving
8.7 + -4u = 2.3

Solving for variable 'u'.

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

Add '-8.7' to each side of the equation.
8.7 + -8.7 + -4u = 2.3 + -8.7

Combine like terms: 8.7 + -8.7 = 0.0
0.0 + -4u = 2.3 + -8.7
-4u = 2.3 + -8.7

Combine like terms: 2.3 + -8.7 = -6.4
-4u = -6.4

Divide each side by '-4'.
u = 1.6

Simplifying
u = 1.6

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