If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x+6x=21/15/3x
We move all terms to the left:
x+6x-(21/15/3x)=0
We can not solve this equation
| -31/4=-1/2g | | 1/3x+2/9=3x | | 2a/7-6/7=7/5 | | 2/3w=4/9 | | ƒ(x)=x2+8x+10 | | –2(5x–3)–2=24 | | 3x-14/x+4=14/12 | | 2a/7−67=57 | | 4x−12=4 | | 4x−12=24 | | 2a/7+67=57 | | x-10=-4x-5 | | -7x-2=-2x+13 | | 100=((x+2)/x) | | −8=z+3z | | -3x-2(6x-14)=163 | | -3x-2=-4x-19 | | 5x-17=-4x+19 | | 2x-Y=4Y-X=4 | | y/6+2=-11 | | -8x+10=-9x-4 | | 2x-1=+14 | | 15-2x=-4x+45 | | 15=y/2+14 | | 2x-8=+6 | | 3|2x−5|=9 | | .8(3x+6)=168 | | -5+5=-4x-5 | | X-6/3x+8=6/8 | | 10h+7=13 | | 1.4=t/25 | | 3^c=1/27 |