If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
(-7/8)*x-(1/3) = 3*x // - 3*x
(-7/8)*x-(3*x)-(1/3) = 0
(-7/8)*x-3*x-1/3 = 0
-31/8*x-1/3 = 0 // + 1/3
-31/8*x = 1/3 // : -31/8
x = 1/3/(-31/8)
x = -8/93
x = -8/93
| -4.3g=-1.56 | | 3n+6=4n | | 4p=-3p+7p | | -b=-7b+6b | | 9x/5+32 | | a+b+c=d | | 4(x*x)+4x-49=4x | | x+(x+425000)=600000000 | | (x-4/2)^2-2(x-4/2)+5=0 | | 10x-5=6x-41 | | k=2(-2/3)^2+9(-2/3)+10 | | k=2(-2/3^2)+9(-2/3)+10 | | -(5+5)-(-4y-6)=-5 | | x^3+3x^2+3x=-1 | | x^3+x^2+x=-1 | | x+8/2=7 | | 1-(8-x)=4x+3(3x-6) | | k=2x^2+9x+10 | | (10x^2-24)^1/4=x | | 3/4(w)+13=7 | | 120+120+120+100+x=720 | | 3(x+2)=3x+2+4 | | 120+120+120+100+=720 | | 3c+4d= | | 8(3x-1)=2(12+8) | | 5x-13/8=4 | | -4x-48=16x+64 | | 9+5r-8=5r+3-2r | | 3/4(-8)+13=7 | | 2x^2-9x-14=4x | | 4x^2-y^2+8x+2y-1=0 | | 9-x=1/2x |