х+1/2х+1/3х=33х+х+1\2х+1/4х+1=100

<span>х+1/2х+1/3х=33</span>

<span>1 5/6х=33</span>

<span>11/6х=33</span>

<span>х=33:11/6</span>

<span>х=33*6/11</span>

<span>х=18</span>

<span><span>х+х+1\2х+1/4х+1=100</span></span>

<span><span>2 6/8х=100-1</span></span>

<span><span>22/8х=99</span></span>

<span><span>х=99:22/8</span></span>

<span><span>х=99*8/22</span></span>

<span><span>х=36</span></span>