25-(30+x)=x-(27-8)
tim x
tim x biet
a, 25-(30+x)=x-(27-8)
b,(x-12)-15=(20-7)-(18+x)
a) 25-(30+x)=x-(27-8)
25-(30+x)=x-19
????
Số âm à 25-30+x được
thoi khong can giai nua dau minh da tim ra cau tra loi
ma ket qua cua bai cau vua lam la sai day
Lô cưng
Cho anh hôn một cái nèo😘😘😘
cau 1.tim x
a)15-|x-4|=6
b)-30+|25-x|=-1
c)x-(12-25)=-8
d) (x-29)-(17-38)=-9
cau 2.tim so nguyen x
a,22-(-x)=12
b,(x+5)+(x-9)=x+2
c,(27-x)+(15+x)=x-24
bai 3 : tim x
6 nhan ( x+9845 ) = 29042 nhan 6
(x chia 3) nhan 8 = 8 nhan 3198
bai 7 : tim x
191+ x + 9 = 43 nhan 5
x nhan 25 nhan 4 = 125 nhan 8
bai 8 : tim x
128 nhan x - 12 nhan x - 16 nhan x = 5208000
x nhan 27 + x nhan 30 + x nhan 43 =210500
Lời giải đầy đủ:
Bài 3:tìm x
A,
6.(x+9845)=29042.6
(x+9845)=29042.6:6
x+9845=29042
x=29042-9845
x=19197.
B,
(x:3).8=8.3198
(x:3)=3198.8:8
x:3=3198
x=3198.3
x=9594.
Bài 7:
A/191+x+9=43.5
200+x=215
x=215-200
x=15.
B/x.25.4=125.8
x.100=1000
x=1000:100
x=10.
Bài 8:
A/ 128.x-12.x-16.x=5208000
(128-12-16).x=5208000
100.x=5208000
x=5208000:100
x=52080.
B/ x.27+x.30+x.43=210500
x.(27+30+43)=210500
x.100=210500
x=210500:100
x=2105.
K mình nhé!
25-( 30+ x)= x-( 27-8)
25-(30+x)=x-(27-8)
25-30-x=x-19
(-5)-x=x-19
x+x=19+(-5)
x.2=14
x=14:2
x=7
TICK mình nha!!
-25 + (30-x )-x =-(27+8)
-25 + (30 - x) - x = - (27 + 8)
-25 + 30 - x - x = - 27 - 8
- x - x = - 27 - 8 + 25 - 30
-2x = -40
x = 20
-25 + (30 - x) - x = - (27 + 8)
-25 + 30 - x - x = - 27 - 8
- x - x = - 27 - 8 + 25 - 30
-2x = -40
x = 20
25- ( 30+ x) = x -( 27- 8 )
25 - ( 30 + x ) = x - ( 27 - 8 )
<=> -5 - x = x - 19
=> -5 + 19 = x + x
=> 14 = 2x
=> x = 14 : 2
=> x = 7
25 - ( 30 + x ) = x - ( 27 - 8 )
25 - 30 - x = x - 27 + 8
x + x = 25 - 30 + 27 - 8
2x = 14
x = 14 : 2
x = 7
25-(30+x)=x-(27+8)
25 - (30 + x) = x - (27 - 8)
25 - (30 + x) = x - (27 - 8)
25-(30+x)=x-19
25-x=(30+x)-19
25-x=30-19+x
25-x=11+x
25-11=x+x
14=2x
x=14:2
x=7
Vậy x=7
25 - (30 + x) = x - (27 - 8)
25-(30+x)=x-21
30+x=25-x-21
30+x=25-21-x
30+x=4-x
x=4-x-30
x=-26
25-(30+x)=x-(27-8)
25-30-x=x-27+8
-x-x=-27+8+30-25
-2x=-14
x=(-14):(-2)
x=7
các bạn cho mk vài li-ke cho tròn 770 với
25- (30+x)=x-(27- 8)
25 - 30 -x = x -27 + 8
-x -x =-27+8 -25 +30
-2x = -14
x= -14 : ( -2 )
x = 7
vậy x =7