0.8u+2.8=-3.6

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Solution for 0.8u+2.8=-3.6 equation: 


Simplifying
0.8u + 2.8 = -3.6

Reorder the terms:
2.8 + 0.8u = -3.6

Solving
2.8 + 0.8u = -3.6

Solving for variable 'u'.

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

Add '-2.8' to each side of the equation.
2.8 + -2.8 + 0.8u = -3.6 + -2.8

Combine like terms: 2.8 + -2.8 = 0.0
0.0 + 0.8u = -3.6 + -2.8
0.8u = -3.6 + -2.8

Combine like terms: -3.6 + -2.8 = -6.4
0.8u = -6.4

Divide each side by '0.8'.
u = -8

Simplifying
u = -8

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