-8.93+7.8u=6.91+0.9u+7.7u

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Solution for -8.93+7.8u=6.91+0.9u+7.7u equation: 


Simplifying
-8.93 + 7.8u = 6.91 + 0.9u + 7.7u

Combine like terms: 0.9u + 7.7u = 8.6u
-8.93 + 7.8u = 6.91 + 8.6u

Solving
-8.93 + 7.8u = 6.91 + 8.6u

Solving for variable 'u'.

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

Add '-8.6u' to each side of the equation.
-8.93 + 7.8u + -8.6u = 6.91 + 8.6u + -8.6u

Combine like terms: 7.8u + -8.6u = -0.8u
-8.93 + -0.8u = 6.91 + 8.6u + -8.6u

Combine like terms: 8.6u + -8.6u = 0.0
-8.93 + -0.8u = 6.91 + 0.0
-8.93 + -0.8u = 6.91

Add '8.93' to each side of the equation.
-8.93 + 8.93 + -0.8u = 6.91 + 8.93

Combine like terms: -8.93 + 8.93 = 0.00
0.00 + -0.8u = 6.91 + 8.93
-0.8u = 6.91 + 8.93

Combine like terms: 6.91 + 8.93 = 15.84
-0.8u = 15.84

Divide each side by '-0.8'.
u = -19.8

Simplifying
u = -19.8

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