If it's not what You are looking for type in the equation solver your own equation and let us solve it.
r in (-oo:+oo)
(1/3)*r = 4 // - 4
(1/3)*r-4 = 0
1/3*r-4 = 0 // + 4
1/3*r = 4 // : 1/3
r = 4/1/3
r = 12
r = 12
| 2x+700-7x=5*100 | | 98+97= | | -3/4(x-1/2)-2=5/2(x/2+1)-3 | | t-30=18 | | 3x(3/9)+1/3= | | 5x-30+4=7x-8 | | (100*x2)/7=x | | 5-6h=2r+48 | | 2x+3x+4x=68+97+231 | | -10(1+m)=-130 | | 1/2d=40 | | -4x+2(1-2x)=-6x-8 | | 684=b+35 | | 2+1.5=15-h | | (100*2x)/7=x | | -6(3+p)=-60 | | -5w=730 | | -3(4u-6)+8u=4(u+7) | | 3u=1 | | 22b=-968 | | 7x-196-2x=9x-360 | | r+7/-4=r-12/6 | | 5(1+n)=14+2n | | 3/4(12x+10)=2/3(6x+9) | | 5g=-15 | | cos^2(x)-sin^2(x)-2(sinx*cosx)=0 | | 6x^2-5x-90=0 | | 8y+35=11 | | 8y+35=11 | | f(g)=40-1.25x | | -7(w-4)=-9w+34 | | n+2=96 |