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)
x/12 = ((7/10)/1)/2 // - ((7/10)/1)/2
x/12-(((7/10)/1)/2) = 0
x/12-7/20 = 0
1/12*x-7/20 = 0 // + 7/20
1/12*x = 7/20 // : 1/12
x = 7/20/1/12
x = 21/5
x = 21/5
| 2p+18+33=3p+21 | | .75(6x-9)=-34 | | -4/6=2/x | | 0.8(e-0.2)=2.24 | | q+20+q+20=q+50 | | 9(x-8)-3=19x-145 | | 10c+7+c+32=16c | | n/1/1/1/5=4/1/6/6/2/3 | | Xx+1.5x=0 | | x=4*-2.75+3 | | b=3/4(21) | | 6k+6=8k+13 | | 17q-48+q+26=12q+29 | | 3(x-2/3y)=4 | | 500+-9x=4x^2 | | x+26+12x=11x+39 | | ×/6-8=-6 | | 19c-5+17c=34c | | 4/15x8/5 | | 2t+19+37=4t | | ox=6-4x | | 8x-15-6x+9=6 | | 0.2x+17.5=x-7.46 | | 3a-45+a+18=3a | | y=.75y+300 | | 8-p/2=1 | | s=1/14($490) | | 21s+11+17s+48=48s+49 | | 35+4u=8u-42 | | -(x-8)+4=2(-13)+x | | 4/3x-2=9/5 | | 3.50d+2.50=2d+5.50 |