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)
r/2 = r/4+7/4 // - r/4+7/4
r/2-(r/4)-(7/4) = 0
r/2-(r/4)-7/4 = 0
1/4*r-7/4 = 0 // + 7/4
1/4*r = 7/4 // : 1/4
r = 7/4/1/4
r = 7
r = 7
| Hx-b=m | | 4+4m=12+m | | 3(y+3)+5y=4(y+1)+5 | | w+3/4=22/3 | | 8(x-2)=3(2x+4) | | 2x/(x^2)+1=0 | | x=-24x-60 | | 5m-2=38 | | 4z+1=-3 | | 5(10x-10)=-5(-4x-4) | | 9x=40+4x | | (-3-x^2)+x^2=65 | | 39-x=11 | | 3w/6+11=14 | | 3(4x+3)=4 | | 7.8(x-1)=-0.2x+48.2 | | -16=-2m+1-5 | | 11x^2-25x-72=0 | | 4k+5+k=-30 | | 0.20+0.15(30)=22.5 | | 0.50+0.35(50)=33.5 | | 2.2q-4.3-3.6q=-2.4q-1.4 | | -6/7n=24 | | X+.50x=300 | | 16x^2+160=0 | | -3(5s-6)-18=-3(7s+0)-4 | | x=11/4 | | 3c+2c=2 | | 12v^10/6v^8 | | -4+4=-3x | | 4-5x=3x-8 | | x+5=-6x-14 |