If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
2*x-((4/5)*x)-10 = 20 // - 20
2*x-((4/5)*x)-20-10 = 0
2*x+(-4/5)*x-20-10 = 0
6/5*x-30 = 0 // + 30
6/5*x = 30 // : 6/5
x = 30/6/5
x = 25
x = 25
| x+(x+15)+45=180 | | x+(x+6)+34=180 | | -4/9+7/9= | | 9/21=12/m | | -2x^2-8x-6=y | | x+3x+102=180 | | -2x^2-8x-6=0 | | 3x-22=x+10 | | 5x(8x-5)=11x+11 | | -84-5x+x^2=0 | | x+2x+51=180 | | -10+7p=-136 | | 5x-1+23=9x+2 | | 114=9x+15 | | 4x+3x+8=0 | | 3(16+x)=92 | | 85=-6x-5(-x-15) | | 114=9x-3 | | y^3-3y^2-9y^1-5y=0 | | 3x^2-4x+108=0 | | ln(3x+2)=8 | | p(x)=0.1x^3-6x^2+90 | | 3n^2-4n-17=0 | | 2p-8=32 | | (5/x)+(2/3)=(1/6x) | | 5v^2-4v-33=0 | | -28=6x-4(4x-18) | | 8x=392 | | 0=1y/6+8 | | 0.9x-0.2(16-5x)=-0.5(x-8) | | -5(8-7b)=5(6-7b) | | -12p^2+5p+2=0 |