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 = 3*x+4 // - 3*x+4
-(3*x)-2/7-4 = 0
-3*x-2/7-4 = 0
-3*x-30/7 = 0 // + 30/7
-3*x = 30/7 // : -3
x = 30/7/(-3)
x = -10/7
x = -10/7
| -2a+b-3c=-9 | | -3v+8.9=-4.1 | | -3.1+y/4=-15.9 | | 0.7y-5.1=0 | | 4x-12-1=4x-13 | | x^2-11=7x-3 | | M^7/m^5=0 | | 4e^2*3e^3=0 | | x^2-x-19=1 | | 2.1x+-5.1=0 | | 4e^2*3e^2=0 | | c/5.3+8.3-11.3 | | 2b+13=100 | | 57=y+0.26y | | 1+((-8x)/(x^4)) | | 4(x-3)-1=4x-13 | | 1/(1+3i) | | .7y-5.1=0 | | 5x-5-x=4-3x-27 | | -4/3y=-20 | | 36=-6/7x | | -6/5=3u | | -4=-2/5w | | 12=-6x+2(x+2) | | y=3(-1.42857)+4 | | -55-2x=3x+14 | | -.5(2x-6)=20 | | 3x+9-2+5=6x-4x+7 | | y=3(-10/7)+4 | | 4/9=v+6 | | p=5+q-8 | | y-7/8=-1/4 |