If it's not what You are looking for type in the equation solver your own equation and let us solve it.
10.8/12 = 0
1*x^3+1*x^2+9*x+9 = 0
x+3*y+2*z-19;5*x-(5*y)+2*z+5;2*y-x+10*z-17
x+3*y+2*z-19;5*x-(5*y)+2*z+5;5*x+2*y+10*z-36
y-t-(-2*x)+z;y-t-((1/2)*x)-((1/2)*z);y-t-(3*x)-(2*z)
| 10.8/12 | | 3+18r-1=8r+82-6r | | 3b+2a+p=100 | | 0.6(x+40)+0.4x=49 | | 10x-14=6x+6 | | 2h+8=16 | | sin(4x-22)=cos(6x-13) | | 2y+19=1 | | 4+6x=-10+4x | | 960x^2-2768x-12857=0 | | (x*40)+((x*1.5)*9)=900 | | 7.28=6.28r | | 3x^2-2x^3=-1 | | 3xv+11x+6=0 | | 8+11x-1=9x+39-6x | | .8(X+30)+.8x=88 | | -ln(y)=ln(x)+ln(c) | | 4(7+2x)=3x+8 | | =(x-1)(x-5) | | 4+y=165 | | l=1680/7*10 | | 3s+10=s+10 | | .60(x+60)+.8x=85 | | 14(t-5)+4t=6(3t+5)-8 | | 2y^3-16y^2+64y+60=0 | | 5+17t-1=7t+82-3t | | (21b-6)-5(4b+1)=-5 | | 6/x=7-2x | | (1+lnx)dx+(1+lny)=0 | | 4=(.7x+.3*5.2) | | 3.75=(.7x+.3*5.2) | | (5-x)/(2x=12)=6/7 |