Question

220. Решите уравнение:
1) x:1,75=7,125-31; 3)
8
Дайте ответ пожалуйста

Answer 1

x÷7/4=7,125-31

x÷7/4=-23,875

x×4/7=-23,875

4/7x=-23,875

x=7/4×(-23,875)

x=7/4×(-191/8)

x=-7/4×191/8

x=-1337/32

Answer 2

Ответ:

x 7/4-7,125-31

x 7/4-7,125-31x 7/4--23,875

x 7/4-7,125-31x 7/4--23,875xx4/7--23,875

x 7/4-7,125-31x 7/4--23,875xx4/7--23,8754/7x=-23,875

x 7/4-7,125-31x 7/4--23,875xx4/7--23,8754/7x=-23,875x=7/4x(-23,875)

x 7/4-7,125-31x 7/4--23,875xx4/7--23,8754/7x=-23,875x=7/4x(-23,875)x=7/4X(-191/8)

x 7/4-7,125-31x 7/4--23,875xx4/7--23,8754/7x=-23,875x=7/4x(-23,875)x=7/4X(-191/8)x=-7/4×191/8

x 7/4-7,125-31x 7/4--23,875xx4/7--23,8754/7x=-23,875x=7/4x(-23,875)x=7/4X(-191/8)x=-7/4×191/8x=-1337/32