3.2=28.8-4u

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Solution for 3.2=28.8-4u equation:


Simplifying
3.2 = 28.8 + -4u

Solving
3.2 = 28.8 + -4u

Solving for variable 'u'.

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

Add '4u' to each side of the equation.
3.2 + 4u = 28.8 + -4u + 4u

Combine like terms: -4u + 4u = 0
3.2 + 4u = 28.8 + 0
3.2 + 4u = 28.8

Add '-3.2' to each side of the equation.
3.2 + -3.2 + 4u = 28.8 + -3.2

Combine like terms: 3.2 + -3.2 = 0.0
0.0 + 4u = 28.8 + -3.2
4u = 28.8 + -3.2

Combine like terms: 28.8 + -3.2 = 25.6
4u = 25.6

Divide each side by '4'.
u = 6.4

Simplifying
u = 6.4

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