If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( a )
a = 0
a = 0
a = 0
a in (-oo:0) U (0:+oo)
15/a = 5 // - 5
15/a-5 = 0
15*a^-1 = 5 // : 15
a^-1 = 1/3
-1 < 0
1/(a^1) = 1/3 // * a^1
1 = 1/3*a^1 // : 1/3
3 = a^1
a = 3
a = 3
| [9(y+5)-17]+[3(y-3)+3]= | | 6x,x=3 | | 10.8-4.9x=-94.4 | | 19-5x=-6(x-1)+7 | | y=3/10x-17/4 | | 6r=6r | | -4v+4=8(1-v) | | F(x)=2x^2+3x-7 | | 4x^2-17=-1 | | 8-5x=10+7x | | 3y^2z/15y5 | | 63=.5x(9) | | (x+2)(2x+3)=91 | | y=(3-y)-1 | | (-52)-3u=8 | | 5=1+mover-4 | | (2y+5)(y+3)=-2(2y+5) | | 7(x-3)-5(x^2-1)=x^2-(5x+2) | | 0=-4.9t*t+28t+1.2 | | y=3-y-1 | | 2a^2-5-3=0 | | -15/.5 | | 16+8x=10x | | -3t=108 | | 1.5x+1.5y=60 | | A=1/22224 | | -9(v+3)+3v+5=6v+6 | | u(9n+32)+7(n+1)= | | 7x-2+20=-20 | | (x+4)(x-2)=(2x+1)(x-2) | | -5/8x-6-9 | | A=1/2bh;b=24,h=22 |