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)
15*x-(20*(10/15-1/15)) = 0
15*x-20*(10/15-1/15) = 0
15*x-12 = 0 // + 12
15*x = 12 // : 15
x = 12/15
x = 4/5
x = 4/5
| 49x^2-21x-4=0 | | 14x/7x | | ln(x+13)+ln(x-5)=2lnx | | y-176=-23/8(x-0) | | n+.121=3.637 | | .2(m+29)=4 | | 3-2(2y-4)=-7 | | k/5-5=-2 | | 35x^2-39x+10=0 | | 2(3n+1)=5(n+2)-5 | | (b/-2a^4)3 | | 3(2D+1)=5D+u+(6+2) | | x+1/6=-1/2 | | 27x^2-21x+2=0 | | 5(x+1)-2=4x+0 | | .7p=-21 | | 6(x-3)+2=-10 | | 5p-5=-9 | | 1/4x+1=4 | | 4y-9=6+2y | | 37-2(4+7)= | | 8e-5=35 | | 5(k+.3)=2k+k+9.5 | | x^2-2x+7x-14=0 | | 8a^2-13a-6=0 | | -7[(6p+3)-(4p-7)]=2(5-p)-8 | | 3(2k-7)-3(5k+2)=4-2(k+3) | | 1-3a-2=4 | | 3x^2+8x-15=13-9x | | -5(2y+1)-3(1-y)=2(4y+1)-3 | | x=b+ay | | 2a^3-18a=0 |