<span>х*(35+4)=234</span>
<span>35х+4х=234</span>
<span>39х=234</span>
<span>х=6</span>
<span><span> х*(30+9)=200+34</span></span>
<span><span>30х+9х=234</span></span>
<span><span>39х=234</span></span>
<span><span>х=6</span></span>
<span><span><span>х*(34+5)=210+24</span></span></span>
<span><span><span>34х+5х=234</span></span></span>
<span><span><span>39х=234</span></span></span>
<span><span><span>х=6</span></span></span>
<span><span><span><span>(29+9)*x</span></span></span></span>
<span><span><span><span>29х+9х</span></span></span></span>
<span><span><span><span>38х</span></span></span></span>