12=4u+2u

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Solution for 12=4u+2u equation:


12=4u+2u

We simplify the equation to the form, which is simple to understand 
12=4u+2u

We move all terms containing u to the left and all other terms to the right. 
-4u-2u=-12

We simplify left and right side of the equation. 
-6u=-12

We divide both sides of the equation by -6 to get u. 
u=2

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