Respuesta:
tenemos que
Explicación paso a paso:
1. x/8= 20
x= 160
2. 2x/7=4
2x= 7*4
2x= 28
x= 14
3.5x/2=15
5x=15*2
5x= 30
x= 6
4.4x+2/6=7
4x+2= 7*6
4x+2= 42
4x=40
x= 10
5.x+3/2=8
x+3= 16
x= 13
6. 3(x+8)/5=21
3x+24= 105
3x= 81
x= 27
7. x/2+x/3= 20
3x+2x/6= 20
5x= 120
x= 24
8. 2x/5-x/4= 9
8x-5x/20=9
3x= 180
x= 60
9. 2/3x+6x/2= 77
3x+2/3+6x/2=77
6x+4+18x/6=77
24x+4= 462
24x= 458
x= 458/24
10. x/4-x/5=8
5x-4x/20=8
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Respuesta:
tenemos que
Explicación paso a paso:
1. x/8= 20
x= 160
2. 2x/7=4
2x= 7*4
2x= 28
x= 14
3.5x/2=15
5x=15*2
5x= 30
x= 6
4.4x+2/6=7
4x+2= 7*6
4x+2= 42
4x=40
x= 10
5.x+3/2=8
x+3= 16
x= 13
6. 3(x+8)/5=21
3x+24= 105
3x= 81
x= 27
7. x/2+x/3= 20
3x+2x/6= 20
5x= 120
x= 24
8. 2x/5-x/4= 9
8x-5x/20=9
3x= 180
x= 60
9. 2/3x+6x/2= 77
3x+2/3+6x/2=77
6x+4+18x/6=77
24x+4= 462
24x= 458
x= 458/24
10. x/4-x/5=8
5x-4x/20=8
x= 160