If it's not what You are looking for type in the equation solver your own equation and let us solve it.
f(5)=2f(4)+3f(3)
We move all terms to the left:
f(5)-(2f(4)+3f(3))=0
We add all the numbers together, and all the variables
-(+2f^4+3f^3)+f5=0
We add all the numbers together, and all the variables
f^5-(+2f^4+3f^3)=0
We get rid of parentheses
f^5-2f^4-3f^3=0
We do not support efpression: f^5
| 90+x+1+53=180 | | 321x+59=122x-249 | | 90+x+1+53=189 | | 3(4-6x)=210 | | 3x-8=4x-13 | | 10-x=-5x+2 | | 6x-7+x=7 | | -5x(x+4)=20x^2+4 | | -5x+9+7x=13 | | X+5+x=5 | | 53x-3=51x-1 | | n^2+8n+6=0 | | 34/30=16/x | | x+2=7/8x-14 | | 5x-10+5x=70 | | -1-6x+5x=-12 | | 196=-w+46 | | -7=-2x+4x-3 | | 7x-1+2x=-37 | | 76-x=294 | | 19=-2x-x-5 | | s/4+2=26 | | 196=-v+293 | | 5m2-3m=0 | | 9+14x=9x+34 | | 69x-7=9+53x | | 4/5x=2000 | | 34x-1=33 | | 75x+10=90x-5 | | 8=4v+8 | | 7*15q=9 | | 24(5x/8)+24(x/12)=24(51/24) |