Question

9-(8x-11)=12 решите уровнение

Answer 1

9-(8х-11)=12
9-8х+11-12+0
-8х+8=0
-8х=-8
х=1

Answer 2

9-8х+11=12
-8х=12-11-9
-8х=-8
х=-8:(-8)
х=1