Question

5,4(0,5х+4)=8,1(4+х)

Answer 1

раскрываем скобки

2,7х+21,6=32,4+8,1х

-5,4х=10,8

х=-2

Answer 2

5,4(0,5х+4)=8,1(4+х)

2,7х+21.6=32,4+8,1х

2,7Х-8,1х=32,4-21,6

-5,4х=10,8

х=10,8:(-5,4)

х=-2