15=u+8

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Solution for 15=u+8 equation:


15=u+8

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

We move all terms containing u to the left and all other terms to the right. 
-1u=+8-15

We simplify left and right side of the equation. 
-1u=-7

We divide both sides of the equation by -01 to get u. 
u=7

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