7u=2u-20

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Solution for 7u=2u-20 equation:


7u=2u-20

We simplify the equation to the form, which is simple to understand 
7u=2u-20

We move all terms containing u to the left and all other terms to the right. 
+7u-2u=-20

We simplify left and right side of the equation. 
+5u=-20

We divide both sides of the equation by 5 to get u. 
u=-4

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