x + 34 = 68
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![](https://rs.olm.vn/images/avt/0.png?1311)
a)
x – 8 + 32 = 68
x – 8 = 68 – 32
x – 8 = 36
x = 36 + 8
x = 44
b)
x + 8 + 32 = 68
x + 8 = 68 – 32
x + 8 = 36
x = 36 – 8
x = 28
c)
98 – x + 34 = 43
98 – x = 43 – 34
98 – x = 9
x = 98 – 9
x = 89
d)
98 + x – 34 = 43
98 + x = 43 + 34
98 + x = 77
x = 98 – 77
x = 21
tick cho mink nhé!
![](https://rs.olm.vn/images/avt/0.png?1311)
167960 - (167960 : 68 - 68 x 34 )
= 167960 - ( 2470-2312 )
= 167960 -158
= 167 802
Asuna:
167960 - (167960 : 68 - 68 x 34)
= 167960 - (2470 - 2312)
= 167960 - 158
= 167802
Tham khảo nha!
![](https://rs.olm.vn/images/avt/0.png?1311)
17464 - 17464 : 74 - 74 x 158
= 158 x ( 17464 - 17464 ) : ( 74 - 74 )
= 158 x 0 : 0
= 0 x 0
= 0
![](https://rs.olm.vn/images/avt/0.png?1311)
1. \(x-8+32=68\)
\(x-8=68-32\)
\(x-8=36\)
\(x=36+8\)
\(x=44\)
_____
2. \(x+8+32=68\)
\(x+8=68-32\)
\(x+8=36\)
\(x=36-8\)
\(x=28\)
_____
3. \(98-x+34=43\)
\(98-x=43-34\)
\(98-x=9\)
\(x=98-9\)
\(x=89\)
_____
4. \(98+x-34=43\)
\(98+x=43+34\)
\(98+x=77\)
\(x=77-98\)
\(x=-21\)
_____
5. \(x:5:4=800\)
\(x:5=800.4\)
\(x:5=3200\)
\(x=3200.5\)
\(x=16000\)
_____
6. \(18+x=384:8\)
\(18+x=48\)
\(x=48-18\)
\(x=30\)
_____
7. \(\left(84,6-2\times x\right):3,02=5,1\)
\(84,6-2.x=5,1.3,02\)
\(84,6-2.x=15,402\)
\(2.x=84,6-15,402\)
\(2.x=69,198\)
\(x=69,198:2\)
\(x=34,599\)
_____
8. \(x\times5=120:6\)
\(x.5=20\)
\(x=20:5\)
\(x=4\)
_____
9. \(\left(15\times24-x\right):0,25=100:0,25\)
\(\left(15.24-x\right):0,25=400\)
\(15.24-x=400.0,25\)
\(15.24-x=100\)
\(360-x=100\)
\(x=360-100\)
\(x=260\)
1,x-8+32=68
=>x-8=68-32=36
=>x=36+8=42
2,x+8+32=68
=>x+8=68-32=36
=>x=36-8=28
3,98-x+34=43
=>98-x=43-34=9
=>x=98-9=89
4,98+x-34=43
=>98+x=43+34=77
=>x=77-98=-21
5,x:5:4=800
=>x:20=800
=>x=800x20=16000
6,18+x=384:8=48
=>x=48-18=30
7,(84,6-2x):3,02=5,1
=>84,6-2x=5,1x3,02=15,402
=>2x=84,6-15,402=69,198
=>x=69,198:2=34,599
8,5x=120:6=20
=>x=20:5=4
9,(15x24-x):0,25=100:0,25=400
=>360-x=400x0,25=100
=>x=360-100=260.
![](https://rs.olm.vn/images/avt/0.png?1311)
650 x 34 + 34 x 2 x 135 + 34 x 80
= 650 x 34 + 34 x 270 + 34 x 80
= 34 x ( 650 + 270 + 80 )
= 34 x 1000
= 34000
Tick nha
650 x 34 + 34 x 2 x 135 + 34 x 80
= 650 x 34 + 34 x 270 + 34 x 80
= 34 x ( 650 + 270 + 80 )
= 34 x 1000
= 34000
![](https://rs.olm.vn/images/avt/0.png?1311)
18 x 203 - 18 x 34 - 1020 : 68
= 18 x ( 203 - 34 ) - 15
= 18 x 169 - 15
= 3042 - 15
= 3027
2400 : 300 + 1368 : 38 + 276
= 8 + 36 + 276
= 44 + 276
= 320
85760 : 134 + 18 x 34 - 1020 : 68
= 640 + 612 - 15
= 1252 - 15
= 1237
603 x 120 - 331250 : 625
= 72360 - 530
= 71830
18*203-18*34-1020:68 = 3654- 612-15 = 3042-15 = 3027 2400 :300+1368:38+276 =8+36 +276 =44+276 =320 85760 :134+18*34- 1020:68 = 640 +612 -15 = 1252 -15 =1237 603*120 -331250 :625 =72360 -530 = 71830
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\left(30-34\right)+x.\left(68-78\right)=78\)
\(-4+x.\left(-10\right)=78\)
\(-4-10x=78\)
\(10x=-4-78\)
\(10x=-82\)
\(x=-8,2\)
Vậy \(x=-8,2\)
Anh Nam rảnh ko dạy em môn Tiếng Anh với có 1 câu khó
![](https://rs.olm.vn/images/avt/0.png?1311)
a: \(17464-17464:74-74\cdot158\)
\(=17464\cdot\left(1-\dfrac{1}{74}\right)-74\cdot158\)
\(=17464\cdot\dfrac{73}{74}-74\cdot158\)
\(=5536\)
x + 34 = 68
x = 68 - 34
x = 34
x= 68- 34
x= 34