Question

 Tìm x:

20-(15+20)=3-(x-4)

Tính hộ mình nha!

Answer 1

20-(15+20)=3-(x-4)

20-35=3-(x-4)

-15=3-(x-4)

3-(-15)=x-4

18=x-4

x=18+4

x=22

k chi minh nhe

Answer 2

20 - ( 15 + 20 ) = 3 - ( x - 4 )

20 - 35 = 3 - ( x - 4 )
3 - ( x - 4 ) = -15

x - 4 = 3 - ( -15 )

x - 4  = 18

x = 18 + 4

x = 22.