Question

53,8 * (8x+5,1)=379,29

Answer 1

53,8*(8х+5,1)=379,29
8х+5,1=379,29:53,8
8х+5,1=7,05
8х=7,05-5,1
8х=1,95
х=1,95:8
х=0,24375

Answer 2

8×+5,1=7,05
8×=7,05-5,1
8×=1,95
×=0,24375