If it's not what You are looking for type in the equation solver your own equation and let us solve it.
N in (-oo:+oo)
24/8 = N/7 // - N/7
24/8-(N/7) = 0
3-1/7*N = 0 // - 3
-1/7*N = -3 // : -1/7
N = -3/(-1/7)
N = 21
N = 21
| 3(14/5-2/5y)-4y=24 | | 4(x-5)-1=2(x+2) | | 5(f-6)=5 | | 3x-3+5=62 | | -10(s+1)=53 | | c^2+4c=77 | | g(x)=tanx+cotx | | dx=2sinx | | a^2-49=32 | | 2(x-1)/3=4 | | X+20-4x=11 | | 2+5*10=y | | 32x+14xy=1055 | | 14x^2-48=16 | | 32x+14y=1055 | | 4x-m=mx+2mx-6 | | x+y*2+x-2*2=60 | | x(x+1)=0.5 | | e^5/x | | ln(x+25)=6 | | (7×10^4)X/3=4×10^2 | | X(-18)=27 | | X-(18)=27 | | x^2-3x-12=y | | 7c+2c-3c= | | 7(x-3)=5x+3 | | 8y-5=2y+9 | | 3x-5+25+x=180 | | 4(5x+6)=5x+16 | | 6x+3=4x+8+5 | | sinx=45 | | 0.15x=300 |