<span>х*700-460=289000</span>
<span>700х=289000+460</span>
<span>700х=289460</span>
<span>х=289460:700</span>
<span>х=413,514285714286</span>
<span>
</span>
<span><span>у*700=288999+461</span></span>
<span><span>у=289460:700</span></span>
у=413,514285714286
<span>d*700=288999</span>
<span>d=288999:700</span>
<span>d=412,8557142855714</span>
<span>
</span>
<span>
</span>