-1.8-1.1=-0.1u-4.5

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Solution for -1.8-1.1=-0.1u-4.5 equation: 


Simplifying
-1.8 + -1.1 = -0.1u + -4.5

Combine like terms: -1.8 + -1.1 = -2.9
-2.9 = -0.1u + -4.5

Reorder the terms:
-2.9 = -4.5 + -0.1u

Solving
-2.9 = -4.5 + -0.1u

Solving for variable 'u'.

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

Add '0.1u' to each side of the equation.
-2.9 + 0.1u = -4.5 + -0.1u + 0.1u

Combine like terms: -0.1u + 0.1u = 0.0
-2.9 + 0.1u = -4.5 + 0.0
-2.9 + 0.1u = -4.5

Add '2.9' to each side of the equation.
-2.9 + 2.9 + 0.1u = -4.5 + 2.9

Combine like terms: -2.9 + 2.9 = 0.0
0.0 + 0.1u = -4.5 + 2.9
0.1u = -4.5 + 2.9

Combine like terms: -4.5 + 2.9 = -1.6
0.1u = -1.6

Divide each side by '0.1'.
u = -16

Simplifying
u = -16

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