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)
(-2/7)*m-((12/7)*m)+2 = 8 // - 8
(-2/7)*m-((12/7)*m)-8+2 = 0
(-2/7)*m+(-12/7)*m-8+2 = 0
-2*m-6 = 0 // + 6
-2*m = 6 // : -2
m = 6/(-2)
m = -3
m = -3
| 3x-1=-x+-5 | | 2x+4=31-7x | | 3x-21=7x+7 | | 3x-1=-(x+5) | | 3x+9=6x-10 | | -4/5(2)-1=y | | -2(x+8)-5=1 | | 6p-19=29 | | x^2-10=-60 | | 5-3(x+4)=-3 | | 4/x+2+1/x-2=19/x^2-4 | | x-3(2x+3)=31 | | v=(3.14)(9)(7) | | -4/5(-1)-1=y | | 6/11=12/x | | 9x^2-16=121 | | 3(x-2)=5-2(x-3) | | -2x+y=-17 | | (2/3)*0=4+y | | -4/5(-2)-1=y | | 6.9(1x+9)=130.41 | | 9x-16=121 | | 2y+3=4y-1/5 | | 1/4(m+12)+3/4m=-1 | | -9/4+3/2x=0 | | 100000*565663224688=9 | | 100000*565663224688=6 | | 7x^2+5=257 | | 14z+52=360 | | (2/3)0=4+y | | f(x)=9x+7 | | (2/3)x=4+0 |