1-2(5+3х)=15
1-10-6х=15
-6х=15-1+10
-6х=24
х=24:(-6)
х=-4
Ответ:х=-4
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1-2(5+3х)=15
1-10-6х=15
-6х=15-1+10
-6х=24
х=24:(-6)
х=-4
Ответ:х=-4