9-.8u-2.4=1

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Solution for 9-.8u-2.4=1 equation:


Simplifying
9 + -0.8u + -2.4 = 1

Reorder the terms:
9 + -2.4 + -0.8u = 1

Combine like terms: 9 + -2.4 = 6.6
6.6 + -0.8u = 1

Solving
6.6 + -0.8u = 1

Solving for variable 'u'.

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

Add '-6.6' to each side of the equation.
6.6 + -6.6 + -0.8u = 1 + -6.6

Combine like terms: 6.6 + -6.6 = 0.0
0.0 + -0.8u = 1 + -6.6
-0.8u = 1 + -6.6

Combine like terms: 1 + -6.6 = -5.6
-0.8u = -5.6

Divide each side by '-0.8'.
u = 7

Simplifying
u = 7

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