If it's not what You are looking for type in the equation solver your own equation and let us solve it.
m in (-oo:+oo)
2*m+3*m+4/7 = 0
5*m+4/7 = 0 // - 4/7
5*m = -4/7 // : 5
m = -4/7/5
m = -4/35
m = -4/35
| A=qw+qforw | | (x+9/2)=(23/5-x-3/5) | | 2(a-5)=4a(2a-10) | | 17-9m=n-23 | | 120=39.13+0.25x | | -133=29-9x | | A=qw+q | | 40X+10Y=433.13 | | 120/14=x | | 3(18r+2)=12(5r-3) | | 600n+5000=25000 | | 60+12x=720 | | t=110.39+0.96m | | s+3s+40=112 | | t=110.39+096m | | 2z+10+3z=0 | | -3731=13(19k-2) | | 8n+1/2(n-1)=93 | | -x+ax=c | | 100=110.39+0.96m | | g/-7=15 | | 15n+30=360 | | 5e-3=2(e+3) | | 25y-1=22y+80 | | 1g-3/3=5/3 | | 1/3(t-4)=-2 | | ax+x=c | | 10=3a-9 | | 15.11=2s+4.19 | | (-4/3y)=3-x | | -5+7(1-2x)=7(1+8x)-5 | | 2/3=3t/4+2 |