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)
(-3/4)*r = 1/4 // - 1/4
(-3/4)*r-(1/4) = 0
(-3/4)*r-1/4 = 0
-3/4*r-1/4 = 0 // + 1/4
-3/4*r = 1/4 // : -3/4
r = 1/4/(-3/4)
r = -1/3
r = -1/3
| 3/4x+2/3x=x | | X^3+144x=0 | | 6x-5x=7-9x | | 30-41=-2x+7x-4x | | 3x^3-2x=5x | | 4=2v-14 | | -9(t+3)=54 | | 4.5b+19=-8 | | x+5=(-38) | | -2(7/5) | | 100=-16x+60x+8 | | 10=-16x+60x+8 | | 23x+(5x+4)= | | 5=-16x+60x+8 | | (3j-11)+(8j-7)= | | 3x=5(x-0.65)+1.05 | | 81x^2/2 | | .01*1.4= | | -6y-(-12)-y=61 | | 12/7=8/x | | 48x+-6=15 | | 1/5m=-15 | | 0.6n=8 | | 5q^2-4q=4q^2-8q+45 | | 3w-7=9w+5 | | -x^(2/3)=729 | | 6x+2=-30-2x | | 125+(-10x)=85 | | x+xm+x= | | 2a+26= | | x^2-20x-59=10 | | 7x+11=3x+7 |