<span>2\3у+2у+5\6у+1,5у=0,35</span>
<span>(2/3у + 5/6у)+(2у+1,5у)=0,35</span>
<span>1,5у + 3,5у = 0,35</span>
<span>5у = 0,35</span>
<span>у = 0,35 : 5</span>
<span>у = 0,07</span>
<span></span>