If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
2*x-7 = 0
x+3 = 0
2*x-7 = 0
2*x-7 = 0
2*x-7 = 0 // + 7
2*x = 7 // : 2
x = 7/2
x+3 = 0
x+3 = 0
x+3 = 0 // - 3
x = -3
x in (-oo:-3) U (-3:7/2) U (7/2:+oo)
6/(x+3) = 4/(2*x-7) // - 4/(2*x-7)
6/(x+3)-(4/(2*x-7)) = 0
6/(x+3)-4*(2*x-7)^-1 = 0
6/(x+3)-4/(2*x-7) = 0
(6*(2*x-7))/((x+3)*(2*x-7))+(-4*(x+3))/((x+3)*(2*x-7)) = 0
6*(2*x-7)-4*(x+3) = 0
8*x-54 = 0
(8*x-54)/((x+3)*(2*x-7)) = 0
(8*x-54)/((x+3)*(2*x-7)) = 0 // * (x+3)*(2*x-7)
8*x-54 = 0
8*x-54 = 0 // + 54
8*x = 54 // : 8
x = 54/8
x = 27/4
x = 27/4
| (x+3)/(x+8)=6/15 | | 6(36)= | | 6+3y=10 | | 180=(3x)+(8y-102) | | (6x+48)/(15x+45) | | 51-7x=11x+23 | | 6x+48/15x+45 | | 15x+45/6x+48 | | X^3-2x+18=0 | | -1=4+/3 | | -14-6x=5x+12 | | 5x-3/2=2x+3/2 | | -5=/3 | | 6t-29=-23+4t | | 431034x-81-4938-148=7 | | 38/4 | | 20x-90+39x=978-456x | | 3x-3x=14+7 | | 1/6x^2+1/3x=5/2 | | 8a+4b=24 | | -2j+6=-2j+6 | | 4v-10=50 | | g-3/5=3 | | (5x)/8=(6x-7)/3 | | 29=y/5+10 | | -3x-4+X=2+X | | 4=w/12.8 | | v/6=15.36 | | 15=-3(x+1)+9 | | 17.92=7u | | 4x^2+20x+7=0 | | 5x^2+x-1/20=0 |