-5.8(-x+3.7)=4.5
5.8x-5.8*3.7=4.5
5.8x-21.46=4.5
5.8x=4.5+21.46
5.8x=25.96
x=25.96/5.8
x=259.6/58
x=649/145
Ответ: 4 целых 69/145