If it's not what You are looking for type in the equation solver your own equation and let us solve it.
15f-23=2(4f+20
We move all terms to the left:
15f-23-(2(4f+20)=0
| .25n=28 | | 2s−7=s | | 2n^2+10n-48=0 | | 5x+10=9×3x | | 3/x=2/42 | | X(80)+1.5x(70)=1628 | | 3(5)^4x=21 | | /f+16=37 | | x2/7-3=2 | | .5n=50 | | 4x^2+53x-23=0 | | 28=2π/x | | 6.8-2.3z+2.6z=-5.2 | | T(h)=-0.0065*h*22 | | 3r+9=27 | | 1/2y=9 | | t^2+15t-192=0 | | 9+x-7=35 | | 3(11x-3)=104 | | 0=-6x+x | | x/2+7=2*x-2*7 | | 2/42=3/x | | 3w-9=0.5w+16 | | 33(x+4)=5(x−2) | | |x|+7=19 | | 2/80=z/35 | | 2m+18=6 | | V=x(24-2x)(14-2x) | | 3(-8+3a)+3=35+a | | 3w-9=1/2w+16 | | c-21=17 | | 3/11=x/22 |