If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
(2/7)*x = 6 // - 6
(2/7)*x-6 = 0
2/7*x-6 = 0 // + 6
2/7*x = 6 // : 2/7
x = 6/2/7
x = 21
x = 21
| 8*x-5*x= | | x/2+0.1x=90 | | 2*m+3*m= | | 3*a*6*b= | | 2*x*y= | | 4a*b+5a= | | 8-9x=70-23zx | | 6x^2+5y^2-10z^2-30=0 | | 2/x-4 | | 97-5x=31x+21 | | 14-7x=59-42x | | y=4x^2+16x+23 | | 9c+3s=102 | | (198-12s)/6 | | 198-12s/6 | | 2x-12=x+22 | | 6c+12s=198 | | 18c^4+57c^3-10c=0 | | 20a+1=a-3 | | 8x+3x=-4x+27 | | m-(9)=13 | | 3(-1+n)=5n+3+-2n | | 3x+5x+3=58 | | 6x+5x+18x+10=0 | | 4(x+6)-2(x-4)=30 | | y/2= | | 4x+25=8x+39 | | 5/4x+1/8x=11/8+x | | 6865=(4.9676)(0.66)(4500-x) | | 7-5x=42 | | 5.5x^2+44x-160=0 | | 5x+22=7 |