If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-x-7 = 30;x
x
3.78;6.72
256.8;0.4
1.5*10^-2*x^4
5*y-3 = 27;y
y
| 10x-20=5(x-2) | | X-13=10(2x+3)-24 | | x-1=(x+1)-1 | | 4-3m=-5 | | 3x-1+5x=12x+14+x | | (b^2+5)(-b^2+7)=0 | | (x-1)=(x+1)-1 | | 35x+10=2x-5 | | 4-2(s+4)=2x | | (9a-6b)/(15a-10b) | | 15/22=10/x | | (x-1)+(x+1)=5 | | 15m=-120 | | -3x+4y=17+5 | | 20=150/x | | y/3-17=13 | | 34/4=3/10 | | 5(x+32)=5x-40 | | 8y-11=34 | | 100n/=10x | | 6x-2+50=180 | | 4x+18+2x+9+90=180 | | 12y+5=50 | | P=-x^2+10x-12 | | 18x-14=-11 | | t/4-11=34 | | -9x+4y=4 | | 11/n=5/8 | | X^2+x+2=-4-4x | | [x]=-2 | | 5b-7b+3=-31 | | 4(3x+2)=112 |