If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3)2/7x=4/21
We move all terms to the left:
3)2/7x-(4/21)=0
We can not solve this equation
| 72/x=28 | | .y/11+6=15 | | r/5−–40=49 | | 27=-9u-18 | | ½(x+16)=12 | | 20+23x=27x | | 8/3e+-2/3e=224 | | (2x+5)+(4x-10)=180 | | 18u-24-u=2u-6-8 | | -11/4+1/2x=3/4-2x | | -5.6=n/5+12.2 | | (x+12)/2=100 | | x.8=40 | | 8y+9y-4=64 | | –u−10=u+4 | | h/9+ 18=23 | | x=17=80 | | (4x+7)+(35)=180 | | 3(3x-4)=30 | | -18h=-63 | | 6x-6+65=11x+4 | | 26+8d=98 | | g/10=6.5 | | 10y+3y-14=90 | | –5x–6x=–22 | | 6n=–8+7nn= | | 45+9x-5=16x+5 | | f+12=-188 | | -9m=4m-35 | | -73=e-51 | | 16+2x+30=7x-4 | | d/41=2 |