If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
2.5/3.75 = 7/x // - 7/x
2.5/3.75-(7/x) = 0
2.5/3.75-7*x^-1 = 0
-7*x^-1 = -0.66666667 // : -7
x^-1 = 0.0952381
-1 < 0
1/(x^1) = 0.0952381 // * x^1
1 = 0.0952381*x^1 // : 0.0952381
10.49999948 = x^1
x = 10.49999948
x = 10.49999948
| x^2+3x+2=20 | | 27+1x=30 | | 5/x=22/9 | | (6^2-2^3)/3 | | 4/y+5/y-1/y=13 | | 19x^2+81x+20=0 | | -46+5= | | 1/2x-5/3x=-7/3 | | 4(15)+3(15)+15= | | 18n^8y^8/10n^3 | | -15+b=-8(b+3) | | 3x+15=5x | | 11x^2=x^2+11 | | 4a+3a+a= | | 4a-3a-a= | | 4r+10=14 | | 15+2x/4x+1=5/2 | | x^2-2kx-5k=0 | | 9=2d+1 | | (x^4-5x^2+7x)-(2x^3+x^2-3x+3)= | | 4(3h+7)=-2/4+h | | -7+6n=-7 | | 2x-3/6=7+x/18 | | 3/4(4k+1)-6/5(2k+5)=-1/2 | | 2b^2-3b+4a^2= | | 3/4(4k+1)-6/5(2k+5)=-1/3 | | c=g+p/2 | | 5-(3j-9)=0 | | (87/10+x)/0.5*x=33/10 | | g+p/2 | | 0.4(5+2x)+1.3x=3.3 | | 19=9+2c |