tìm x 10000 - X x 24 = 541 x 16
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1) 15:(x+2) = 3
x + 2 = 15 : 3
x + 2 = 5
x = 5 - 2
x = 3
2) 20:(1+x) = 2
1 + x = 20 : 2
1 + x = 10
x = 10 - 1
x = 9
3) 5(x+35) = 515
x + 35 = 515 : 5
x + 35 = 103
x = 103 - 35
x = 68
4) 541+(218-x) = 73
218 - x = 73 - 541
218 - x = -468
x = 218 - ( - 468 )
x = 686
5) 1230:3 (x-20) = 10
410 . ( x - 20 ) = 10
x - 20 = 10 : 410
x - 20 = 1/41
x = 1/41 + 20
x = 821/41
6) 48-3(x+5) = 24
3( x + 5 ) = 48 - 24
3( x + 5 ) = 24
x + 5 = 24 : 3
x + 5 = 8
x = 8 - 5
x = 3
7) 4x + 18 : 2=13
4x + 9 = 13
4x = 13 - 9
4x = 4
x = 1
8) X-48:16 = 37
x - 3 = 37
x = 37 + 3
x = 40
a, 15: (x+2) = 3
x+2 =15:3
x+2 = 5
x = 5-2
x = 3
b, 20: (1+x) = 2
1+x = 20:2
1+x = 10
x = 10-1
x = 9
c, 5(x+35) = 515
x+35 = 515 :5
x+35 = 103
x = 103-35
x = 68
d, 541+ (218-x) = 73
218-x = 73-541
218-x = - 468
x = 218 - (-468)
x = 218 + 468
x = 686
e, 1230:3. (x-20) = 10
410(x-20) = 10
x-20 = 10: 410
x-20 = 1/41
x = 1/41 + 20
x = 821/41
f, 48-3(x+5) = 24
3(x+5) = 48-24
3(x+5) = 24
x+5 = 24:3
x +5 = 8
x = 8-5
x =3
g, 4x + 18 : 2 = 13
4x + 9 = 13
4x = 13-9
4x = 4
x = 4:4
x = 1
j, x - 48:16 = 37
x- 3 = 37
x = 37+3
x = 40
Trả lời
a)(x-24):28=20
x-24 =20.28
x-24 =560
x =560+24
x =604
b)13.(x-6)=39
x-6 =39:13
x-6 =3
x =3+6
x =9
c)x.25=10000:2,5
x.25=4000
x =4000:25
x =160
Rất vui khi đc giúp bn!
a.
(x - 24) : 28 = 20
x - 24 = 20*28
x - 24 = 560
x = 560 + 24
x = 584
a)541 + (218 - x) = 735
(218 - x) = 735 - 541
(218 - x) = 194
x = 218 - 194
x = 24
b) 541 + (218 - x) = 678
218-x=678-541
218-x=137
x=181
541 + (218 – x) = 735
218 – x = 735 – 541
218 - x = 194
x = 218 – 194
Tìm số nguyên x biết
a,541 + ( 218 - x) = 735
b, ( 5x - 75 ) : 2 - 84 = 201
c, ( 2x + 25 ) . 824 = 826
a) 541 + ( 218 - x ) = 735
218 - x = 735 - 541
218 - x = 194
x = 218 - 194
x = 24
Vậy x = 24
b) ( 5x - 75 ) : 2 - 84 = 201
( 5x - 75) : 2 = 201 + 84
( 5x - 75 ) : 2 =285
5x - 75 = 285 x 2
5x - 75 =570
5x = 570 + 75
5x = 645
x= 645 : 5
x= 129
Vậy x = 129
c) ( 2x + 25 ) . 824 = 826
2x + 32 = 826 : 824
2x + 32 = 82
2x + 32 = 64
2x = 64 - 32
2x = 32
x = 32 : 2
x = 16
Vậy x = 16
`a) 48048 - 48048 : 24 - 24 x 58 `
` = 48048 - 2002- 1392`
` = 46046 - 1392`
` = 44654`
b) 10000 - ( 93120 : 24 - 24 x 57 )
` = 10000 - ( 3880 - 1368)`
` = 10000 - 2512`
` = 7488`
c) 100798 - 9894 : 34 x 23 - 23 =
` = 100798 - 6693 -23`
` = 94082`
\(10000-x \times24=541\times16\)
\(10000-x\times24=8656\)
\(x\times24=10000-8656\)
\(x\times24=1344\)
`x=1344:24`
`x=56`
10 000 - X x 24 = 541 x 16
10 000 - X x 24 = 8656
X x 24 = 10 000 - 8656
X x 24 = 1344
X = 1344: 24
X = 56