Question

-2x-(x-17)=34-(-x+25)

Answer 1

-2x-(x-17)=34-(-x+25)

-2x - x + 17 = 34 + x - 25

-3x + 17 = (34 - 25) + x

-3x + 17 = 9 + x

-3x - x = 9 - 17

-4x = -8

x = -8 : (-4)

x = 2

vậy........

Answer 2

nguyen phuong uyên oi cho hoi ban ay -3x o dau

Answer 3

-2x - x 

= -2x + (-x)

= - (2x + x)

= -3x 

TRUONG MY DUNG hiểu chưa bn !?!

Answer 4

minh hieu roi 

cam on cau rat nhieu

Answer 5

-2x-(x-17)=34-(-x+25)

-2x - x + 17 = 34 + x - 25

-3x + 17 = 9 + x

-3x - x = 9 - 17

-4x = -8

x = 2

P/s tham khảo nha