If it's not what You are looking for type in the equation solver your own equation and let us solve it.
i in (-oo:+oo)
(12*i)/1+2*i-9 = 0
12*i+2*i-9 = 0
14*i-9 = 0 // + 9
14*i = 9 // : 14
i = 9/14
i = 9/14
| 9(t-2)+3t=4(3t+5)-8 | | -p+5(p+8)=-4(2+3p) | | g(x)=x^3-2x^2-11x+12 | | 6(x+1)=6(x+6) | | 60-1/100x=0 | | 18/4x-1=3x/14 | | (5/3t)-(4/t^2) | | -4(5x-3y+6)= | | 60-1/100x=25 | | (x)(4x)(4x+5)=1200 | | -5p+39=-2p+3(1-7p) | | 4g+7b=169 | | 7(x-1)=2x+9 | | X^2-2x-55=-7 | | -6(4x-1)+6=-24x+12 | | V^2-3v-36=-8 | | 1-7k=3(k+7) | | 2/3*x-4=16 | | 4abc=16+b | | 6+19t-3=9t+68-3t | | c-5=-2+2 | | 2+3(-2x+4)=-8 | | X(2x-1)=2x+5x-12 | | -4p+7+5p=13 | | 4x-1=31+1 | | Y=10+0.75(15) | | g+7=267 | | Y=10+0.75(14) | | 0.5(x+80)+0.7x=76 | | Y=10+0.75(13) | | 2k+5/4-2-k+2/3 | | Y=10+0.75(12) |