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)
m/7-8 = -11 // + 11
m/7-8+11 = 0
1/7*m+3 = 0 // - 3
1/7*m = -3 // : 1/7
m = -3/1/7
m = -21
m = -21
| 0.125x+0.75=0.25 | | 2x-7/4=-5/3x-5/3 | | (1-2i)(1+3i)=0 | | 10x^2+8x+72=0 | | X/2.3=7 | | 18p-5=8p+5 | | -1.3x=20.8 | | 4-7x+4x=-2 | | K/4-3=10 | | 13—3/2x=37 | | -4.7=x+2.9 | | -1000/100 | | y/4.11=2.3 | | x-(-1.5)=9.8 | | 3a+6=-9+3a | | 6*h=40 | | 10x(x+1)=110 | | 2/9m=8/27 | | 10-2x=-30 | | t-118=84 | | 2K+4=2(k+5)-6 | | 11x-(2-x)=15 | | 7(x+6)=4 | | X-2/x=9/10 | | 4/9x=3/5 | | x^2+4x+187=0 | | a-2b+3c-5=0 | | 6x-2(-3x-2)=154 | | 6/x-4=2/x-2 | | n+2n+2n+2=97 | | 3w+4=43 | | d-56=3 |