u--5=8

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Solution for u--5=8 equation:


u - -5 = 8

We simplify the equation to the form, which is simple to understand 
u+5=8

We move all terms containing u to the left and all other terms to the right. 
+1u=+8-5

We simplify left and right side of the equation. 
+1u=+3

We divide both sides of the equation by 1 to get u. 
u=3

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