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)
6/7 = (4/7)*x // - (4/7)*x
6/7-((4/7)*x) = 0
(-4/7)*x+6/7 = 0
6/7-4/7*x = 0 // - 6/7
-4/7*x = -6/7 // : -4/7
x = -6/7/(-4/7)
x = 3/2
x = 3/2
| D=P+cb | | 6x+11=-4x+29 | | 12/x=5/5 | | 2/3x-35 | | 6(3x-8)-8=6(x-4)+28 | | ix^2-4x-40=0 | | 3/8=11/c | | 6(5-x)=0 | | (4/9)^7 | | 4(4-2a)=8 | | 3x^2-7=x^2+9 | | 2+8-x=3+5-6+x | | 7/9=5/b | | 5n+7n=16 | | (2/6)^8 | | (5/7)^7 | | (5/7)^5 | | (X*X)-4X=32 | | 4=2y-5 | | sqrt(z)+sqrt(z-3)=sqrt(z+5) | | (3/5)^5 | | t^3-2t^2+4t^2-24t=0 | | 2*X*X-12X=0 | | 20=5ln(x+1) | | 7k-(9+k)=-(8k+9) | | 4tan(x)=1 | | (2/8)^5 | | 2x^2-39x-80=0 | | (1/12)^4 | | 6x-4+2x=5+12x-1 | | 16x^2-9x+13=0 | | (1/10)^3 |