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)
4/5-((2/3)*c) = 4 // - 4
4/5-((2/3)*c)-4 = 0
(-2/3)*c+4/5-4 = 0
-2/3*c-16/5 = 0 // + 16/5
-2/3*c = 16/5 // : -2/3
c = 16/5/(-2/3)
c = -24/5
c = -24/5
| 3(b-6)=7b+18 | | 5*3-4+2=y | | 16=3(m-4)+m | | 2*5-4+3=y | | 5x=78-x | | M/3-9=5 | | 12x-(-6+7x)= | | 2x+2(5+4x)=80 | | (12y-14)/12=16 | | 9/9.7=20.8 | | (6n)1/2 | | 3x+1=4x-2findy | | 12y-14/12=16 | | 7z-144=6(5-3z)-4z | | 3/8x=21 | | m(3-x)=2-y | | s^2+8s-48= | | 1/3(b+6)=1/4+8 | | -2(5p-16)=10 | | 12u+2u^2=224 | | 2x^2-16x-66=0 | | x-26=-16 | | 3m-xm=2-y | | 2(4)2-7(3)= | | 78=x-5x | | (-9)=-3/4e | | 4(1/5f-1/2)+1/2f=11 | | 28/w=40/53 | | 40000+800y=67000-550y | | 40x+2y=50 | | 6g+4=6g+4 | | Y=x^2-8x+22 |