0.8u+3.1=-0.2u-4.9

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Solution for 0.8u+3.1=-0.2u-4.9 equation: 


Simplifying
0.8u + 3.1 = -0.2u + -4.9

Reorder the terms:
3.1 + 0.8u = -0.2u + -4.9

Reorder the terms:
3.1 + 0.8u = -4.9 + -0.2u

Solving
3.1 + 0.8u = -4.9 + -0.2u

Solving for variable 'u'.

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

Add '0.2u' to each side of the equation.
3.1 + 0.8u + 0.2u = -4.9 + -0.2u + 0.2u

Combine like terms: 0.8u + 0.2u = 1u
3.1 + 1u = -4.9 + -0.2u + 0.2u

Combine like terms: -0.2u + 0.2u = 0.0
3.1 + 1u = -4.9 + 0.0
3.1 + 1u = -4.9

Add '-3.1' to each side of the equation.
3.1 + -3.1 + 1u = -4.9 + -3.1

Combine like terms: 3.1 + -3.1 = 0.0
0.0 + 1u = -4.9 + -3.1
1u = -4.9 + -3.1

Combine like terms: -4.9 + -3.1 = -8
1u = -8

Divide each side by '1'.
u = -8

Simplifying
u = -8

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