ОДЗ
133-2x>0⇒2x<133⇒⇒<br>x<66,5<br>log(3)(log(4)(log(5)²(133-2x)+7)+25)-1≤2
og(3)(log(4)(log(5)²(133-2x)+7)+25)≤3
(log(4)(log(5)²(133-2x)+7)+25≤27
log(4)(log(5)²(133-2x)+7≤2
log(5)²(133-2x)+7≤16
log(5)²(133-2x)-9≤0
(log(5)(133-2x)+3)(log(5)(133-2x)-3)≤0
log(5)(133-2x)=-3 U log(5)(133-2x)=3
-3≤log(5)(133-2x)≤3
1/125≤133-2x≤125
-132,992≤-2x≤-8
4≤x≤66,496
x∈[4;66,496]