0,2(x+8)+13=89 3(x+5)+47=95 24+4(3x+2)=92 09/08/2021 Bởi Peyton 0,2(x+8)+13=89 3(x+5)+47=95 24+4(3x+2)=92
0,2(x + 8) + 13 = 89 0,2(x + 8) = 89 – 13 0,2(x + 8) = 76 x + 8 = 76 : 0,2 x + 8 = 380 x = 380 – 8 x = 372 3(x+5) + 47 = 95 3(x + 5) = 95 – 47 3(x + 5) = 48 x + 5 = 48 : 3 x + 5 = 16 x = 16 – 5 x = 11 24 + 4(3x + 2) = 92 4(3x + 2) = 92 – 24 4(3x + 2) = 68 3x + 2 = 68 : 4 3x + 2 = 17 3x = 17 – 2 3x = 15 x = 15 : 3 x = 5 Bình luận
Đáp án: `0,2(x +8) + 13 = 89` `0,2(x + 8) = 89 – 13` `0,2(x + 8) = 76` `x + 8 = 76 : 0,2` `x + 8 = 380` `x = 380 – 8` `x = 372` ` 3(x + 5) + 47 = 95` `3(x + 5) = 95 – 47` `3(x + 5) = 48` `x + 5 = 48 : 3` `x + 5 = 16` `x = 16 – 5` `x = 11` `24 + 4(3x + 2) = 92` `4(3x + 2) = 92 – 24` `4(3x + 2) = 68` `3x + 2 = 68 : 4` `3x + 2 = 17` `3x = 17 – 2` `3x = 15` `x = 15 : 3` `x = 5` Bình luận
0,2(x + 8) + 13 = 89
0,2(x + 8) = 89 – 13
0,2(x + 8) = 76
x + 8 = 76 : 0,2
x + 8 = 380
x = 380 – 8
x = 372
3(x+5) + 47 = 95
3(x + 5) = 95 – 47
3(x + 5) = 48
x + 5 = 48 : 3
x + 5 = 16
x = 16 – 5
x = 11
24 + 4(3x + 2) = 92
4(3x + 2) = 92 – 24
4(3x + 2) = 68
3x + 2 = 68 : 4
3x + 2 = 17
3x = 17 – 2
3x = 15
x = 15 : 3
x = 5
Đáp án:
`0,2(x +8) + 13 = 89`
`0,2(x + 8) = 89 – 13`
`0,2(x + 8) = 76`
`x + 8 = 76 : 0,2`
`x + 8 = 380`
`x = 380 – 8`
`x = 372`
` 3(x + 5) + 47 = 95`
`3(x + 5) = 95 – 47`
`3(x + 5) = 48`
`x + 5 = 48 : 3`
`x + 5 = 16`
`x = 16 – 5`
`x = 11`
`24 + 4(3x + 2) = 92`
`4(3x + 2) = 92 – 24`
`4(3x + 2) = 68`
`3x + 2 = 68 : 4`
`3x + 2 = 17`
`3x = 17 – 2`
`3x = 15`
`x = 15 : 3`
`x = 5`