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)
-20 = (-4/3)*x // - (-4/3)*x
-((-4/3)*x)-20 = 0
(4/3)*x-20 = 0
4/3*x-20 = 0 // + 20
4/3*x = 20 // : 4/3
x = 20/4/3
x = 15
x = 15
| 8(8-8a)+49=364 | | 0.33x+2=1 | | 1/2(2x-8)=7 | | -4(-8k-3)=-36+8k | | 6(1/6+23/8) | | x-18=-16 | | 9x-3=132 | | -6-2(-m-6)=-(2m--1)+12 | | 6(7x-5)+14x= | | 5(x-6)=-25+6x | | (4x-4)+(3x+2)+(4x-4)+(3x+2)=360 | | x-7/2-2=x-8/3 | | x-4/3=7/8 | | x/2+2x-1/3=3x+4/4 | | 5=-3x+2x+5 | | -3/2x=15 | | n+8+8n=5(1-3n)-5(1-5n) | | x+3x+2x-12=180 | | -2(7-3y)-6=14 | | (7/5)p-31 | | 8/(-4) | | [x-2]+5=9 | | 4x+1=11/3 | | 2(5/8+2/33) | | -6(1+2p)=25-5p | | 2+(3+2)^2-3/2 | | -1+3+(-8)= | | (-25x)-13x= | | -4(8k-3)=-36+8k | | 9(z+3)-4(z-3)=2(z-2)+2(z-4) | | 6(7-2p)=12p+42 | | 14=-x-14 |