-78=2-8u

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Solution for -78=2-8u equation:


Simplifying
-78 = 2 + -8u

Solving
-78 = 2 + -8u

Solving for variable 'u'.

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

Add '8u' to each side of the equation.
-78 + 8u = 2 + -8u + 8u

Combine like terms: -8u + 8u = 0
-78 + 8u = 2 + 0
-78 + 8u = 2

Add '78' to each side of the equation.
-78 + 78 + 8u = 2 + 78

Combine like terms: -78 + 78 = 0
0 + 8u = 2 + 78
8u = 2 + 78

Combine like terms: 2 + 78 = 80
8u = 80

Divide each side by '8'.
u = 10

Simplifying
u = 10

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