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/13 = 42 // - 42
m/13-42 = 0
1/13*m-42 = 0 // + 42
1/13*m = 42 // : 1/13
m = 42/1/13
m = 546
m = 546
| 2/3x-9+4= | | 45z=450 | | 247=-x+62 | | 2x-1=6x-5 | | (m+10)(m+10)= | | 5.6x=5.14 | | 6x+2y=2560 | | 3(2s-1)-(4s+6)=9(s+2)-62 | | r-s+s-r= | | 1/3n*4 | | (90+x)(2500-50x)-(200000-2500x)-43750=0 | | 2(x-3)=3x-4 | | 2w-15=17 | | -3x+24+7x=12 | | 16m^2+8=44 | | 2/3x=28/3 | | -4n=-10 | | (3+x)2=96 | | 4x+3y=2290 | | -4n=10 | | (4x^2)+56x-200=0 | | -32z^5+72z^4+20z^3= | | 25q=5 | | 5y=y-20 | | F/-7*-8=2 | | 31-3v=-v-5(5+6v) | | 10x^2-4x-5=0 | | -6t+6=24 | | 3xsquared+18v=0 | | -14x+3(x+10)=7(2x+4)+x | | 36k^2-5=-1 | | 3x+8-15=25 |