3=8u+7

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Solution for 3=8u+7 equation:


3=8u+7

We simplify the equation to the form, which is simple to understand 
3=8u+7

We move all terms containing u to the left and all other terms to the right. 
-8u=+7-3

We simplify left and right side of the equation. 
-8u=+4

We divide both sides of the equation by -08 to get u. 
u=-0.5

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