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)
-3*x = -1/7 // + -1/7
-3*x-(-1/7) = 0
1/7-3*x = 0
1/7-3*x = 0 // - 1/7
-3*x = -1/7 // : -3
x = -1/7/(-3)
x = 1/21
x = 1/21
| x^2+3x^2-105=-5 | | -3.2-5.1=2.9 | | 5=-5z | | 2(x+3)*(2x+4)+3(x-3)= | | 3x^3+2=0 | | 35y+5=8 | | 310+2x=25 | | 42=23.6-4x | | -56=x-50 | | 1/14x^2-1.7x=1 | | 3x^2+26x=-35 | | p^2q^0/p^3 | | 6x^2+19x+4=2x-1 | | 3x+y=50x+4 | | z/7-8=5 | | 25=0.5n | | ax^2+4x+-2=0 | | 6(x-2)-4x=26 | | 3x^2-4x=2+y | | 9x-5=-4 | | y=6x^5 | | 12x=10+4x | | 0=r^2-4r+21 | | 3(x^2)+2(y^2)-14=0 | | -10=15-x | | 6y+6=2(y-3) | | 12x=10-4x | | 8x+18=7x-8 | | 2y+5x-12=0 | | 9Xn=3348 | | -4/5y=1/3 | | x+9.8=10.5 |