If it's not what You are looking for type in the equation solver your own equation and let us solve it.
c in (-oo:+oo)
c/10+21 = 25 // - 25
c/10-25+21 = 0
1/10*c-4 = 0 // + 4
1/10*c = 4 // : 1/10
c = 4/1/10
c = 40
c = 40
| -4x+120=21 | | 3x(5x-y)= | | 15-10y=20 | | F(x+4)=8x+6 | | 5-10y=20 | | 3-4cosx=5 | | 3t-17=98 | | n/3-(-12)=13 | | 2x^4/4x^2 | | 5+7sinx=10 | | -10-10y=20 | | m/3-1=1 | | 2x(5x+4)= | | F(2)=8x+6 | | 5x-8=1+5x-9 | | -118-6k=6(1+3k) | | 20-x/7=-1 | | Z^2-7+12=0 | | 4x-5=79 | | j/2-1=2 | | Y=x(a+b) | | 8x-18=x+31 | | 4(2x-1)=5x+2 | | x^2+4x+1.5=1350 | | 3+-q=11 | | 32+4y=12 | | 23-3u=17 | | 6x^3+x^2=2x | | 24+4y=12 | | 2s+4=5[-4-2s] | | -1.75y+7=-0.666666667y-0.25 | | 3(4+5)=33 |