u-7=-7

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Solution for u-7=-7 equation:


u-7=-7

We simplify the equation to the form, which is simple to understand 
u-7=-7

We move all terms containing u to the left and all other terms to the right. 
+1u=-7+7

We simplify left and right side of the equation. 
+1u=0

We divide both sides of the equation by 1 to get u. 
u=0

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