Question

-2(1+u)-(5+u)=8+u ????

Answer 1

-2(1+u)-(5+u)=8+u

-2 - 2u - 5 - u = 8 + u

-2u - u - u = 8 + 5 + 2

-4u = 15 *(-1)

4u = - 15

u = -15/4

u = - 3,75


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Gannicus
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