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
| 72.48+6x=18.08 | | 47+3x=2(-2*4x) | | 4(x-4)=-2x+32 | | 15x+18.50=63.50 | | 5x+3-4x-8=6+9 | | 3x+3+5x=-77 | | 230=6*x | | 6/8=r/10 | | v+12/v+3 | | 66+33/100 | | 3x-5(x-5)=-4+5x-6 | | 29-6n=-(n+6) | | 6z-1.2x=8 | | 2(8-4)+6(-1)=x | | (2v-4)(3v+3)= | | -4+5(9)=x | | 2x+x=3720 | | 10/11x-3/11=9 | | 30v^9y^6-2u^8v^7y= | | 5(y+2)=77 | | 2sin^2x+5sinx=3 | | (5x+2z)+(3x-4z)= | | 1+x-6x=-39 | | 3(a+1)+4a=2a+3 | | 3/8-4w | | p+3=3(p-5) | | 6x+6=-4+4x | | 66+(0.33xX)=X | | -5x*6x=2 | | 2+x=3720 | | h=-16t^2+60t+9 | | -5x*6x= |