Verified answer

3-2(5х+4)=13-4х

3-10х-8= 13-4х

-10х+4х= 13-3+8

6х= 18

х=18:6

х=3

3-10х-8=13-4х

-10х+4х=13-3+8

-6х=18

х=-3

(сказать спасибо)