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Имеет.
<span>4x-6y=2 </span>
<span>3y-2x=1</span>
<span>
</span>
<span><span>4x-6y=2 </span></span>
<span><span>x=-0.5+1.5у</span></span>
<span><span>
</span></span>
<span><span><span>4(-0.5+1.5у)-6y=2 и решаете</span></span></span>
A15=a1+14d
a10=a1+9d
a15-a10=14d-9d
44-19=5d
25=5d
d=5
<span>x(6-x)²=22-(4-x)³,
х(36-12х+х</span>²)=22-(54-48х+12х²-х³),
36х-12х²+х³=22-64+48х-12х²+х³,
36х=22-64+48х,
36х=-42+48х,
36х-48х=-42,
-12х=-42,
х=3,5.
Ответ: 3,5.