Question

(5х-3)+(7х-4)=8-(15-11х)

Answer 1

5х-3+7х-4=8-15+11х

5х+7х-11х=15+3+4

х=22

Answer 2

(5х-3)+(7х-4)=8-(15-11х) 

5х-3+7х=8-15+3+4 

5х+7х-11х=8-15+3+4 

12х-11х=0 

х=0