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)
15/7 = 3*x // - 3*x
15/7-(3*x) = 0
15/7-3*x = 0
15/7-3*x = 0 // - 15/7
-3*x = -15/7 // : -3
x = -15/7/(-3)
x = 5/7
x = 5/7
| 30=5x+8y | | 2x-4.5=1.5 | | 9+9n=2n+2 | | 3x+2=8x+22 | | 35=5/9x | | 4x-5=3-1 | | 2(x-3)=4(3x+4) | | 5x-5[5-(7-5x)]= | | 6(x-3)=4(4x+3) | | 6v^2-9v-23=-8 | | 15x-12/3=16 | | 2(9x-3)+9=3(x+1)+x | | 8x-3[2-(6y-3)]= | | Y-7=0.25(x-5) | | 21t+4=-20 | | (2y)ex+x[(x^2)lny-1]dy=0 | | 3(2x-3)-7x=2-2(2+x) | | 3(2x+3)=16 | | 3-4[2-(6y-3)]= | | 2ydx+x[(x^2)lny-1]dy=0 | | 7y/10-8=9-5y/2 | | X=3y^2+12y+9 | | x^2+48x-4=0 | | Log(15)-log(x)=log(2x-7) | | 630/90 | | 2n+3(4-3)=3 | | 2ydx+x[x^2ln(y)-1]dy=0 | | =x^4+x^3-8x^2-12x | | f(x)=x^4+x^3-8x^2-12x | | 2-5[4-(3y-5)]= | | x^2+(2.25*y^2)=2.25 | | -3.3/5 |