Answer :

[tex]-\dfrac{2u}{5}=6|\cdot5\\ -2u=30|\div(-2)\\ u=-15[/tex]
suheyb
your question is -2u/5=6
the answer is each side divide by -2/5 then you get ( u =6/-2/5 ) then the sing of the divide change to multiply then switch -2/5 then ( u=6×-5/2 ) then you can reduce 6 and 2 you get ( u=3×-5 )= ( u=-15 )