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)
(4/5)*x-3 = 0
4/5*x-3 = 0 // + 3
4/5*x = 3 // : 4/5
x = 3/4/5
x = 15/4
x = 15/4
| 2x+3x+4x+8=20 | | 81=4x+3(2x-13) | | 6x^2-4x+4=0 | | 24+6x=24+6x | | -9=1.5x+3 | | 33=-7x+4(x+6) | | v/8=-3 | | 4y-2x-5x+6x= | | 4(2x-5)/3=12 | | 6x-2+70+10x=180 | | -176=-2x-4(-4x+2) | | 9x^2-72+144=0 | | -4(2x+1)-8(2x-6)=-28 | | P=18 | | 9(y-9)= | | 6x-5+1=14+1-6x+5 | | 7x-4(3x+3)=28 | | P=19 | | 2x^2-4x+13=7 | | -4(2x+1)-8(2x-6)=28 | | 3(-4x+2)-5=25 | | -3+5b+30=7 | | 5+7x=5-1x | | 21=7(3x-5)+7(x+8) | | 3-(9x)3/4=27 | | 17(19)=5x+20 | | 1024=46x-7 | | -200=4(6x-2) | | 7=w/5-9 | | 10(9)=2x-18 | | 195=-7x-2(7x-3) | | 2w+10=26 |