25 - 30 -x = x -27 + 8
-x -x =-27+8 -25 +30
-2x = -14
x= -14 : ( -2 )
x = 7
vậy x =7
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25 - 30 -x = x -27 + 8
-x -x =-27+8 -25 +30
-2x = -14
x= -14 : ( -2 )
x = 7
vậy x =7
25-( 30+ x)= x-( 27-8)
-25 + (30-x )-x =-(27+8)
25- ( 30+ x) = x -( 27- 8 )
25-(30+x)=x-(27+8)
25 - (30 + x) = x - (27 - 8)
25-(30+x)=x-(27-8)
tim x
Tìm x biết 25-(30+x)=x-(27-8)
tìm x
25-(30+x)=x-(27-8)
Tìm x:
a) x - (17 - 8) = 5 + (10 - 3x)
b) 25 - (30 +x) = x - (27 - 8)
c) (x-12) - 15 = (20 - 7) - (18 + x)
d) 9 - 25 = (7 - x) - (25 + 7)